diff --git a/src/modules/jquery.js b/src/modules/jquery.js index bc821582..73076bfb 100644 --- a/src/modules/jquery.js +++ b/src/modules/jquery.js @@ -1,27 +1,26 @@ /*! - * jQuery JavaScript Library v1.12.4 - * http://jquery.com/ + * jQuery JavaScript Library v3.7.1 + * https://jquery.com/ * - * Includes Sizzle.js - * http://sizzlejs.com/ - * - * Copyright jQuery Foundation and other contributors + * Copyright OpenJS Foundation and other contributors * Released under the MIT license - * http://jquery.org/license + * https://jquery.org/license * - * Date: 2016-05-20T17:17Z + * Date: 2023-08-28T13:37Z */ +( function( global, factory ) { -(function( global, factory ) { + "use strict"; if ( typeof module === "object" && typeof module.exports === "object" ) { + // For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var jQuery = require("jquery")(window); - // See ticket #14549 for more info. + // See ticket trac-14549 for more info. module.exports = global.document ? factory( global, true ) : function( w ) { @@ -35,24 +34,30 @@ } // Pass this if window is not defined yet -}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { +} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { -// Support: Firefox 18+ -// Can't be in strict mode, several libs including ASP.NET trace -// the stack via arguments.caller.callee and Firefox dies if -// you try to trace through "use strict" call chains. (#13335) -//"use strict"; -var deletedIds = []; +// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 +// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode +// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common +// enough that all such attempts are guarded in a try block. +"use strict"; -var document = window.document; +var arr = []; -var slice = deletedIds.slice; +var getProto = Object.getPrototypeOf; -var concat = deletedIds.concat; +var slice = arr.slice; -var push = deletedIds.push; +var flat = arr.flat ? function( array ) { + return arr.flat.call( array ); +} : function( array ) { + return arr.concat.apply( [], array ); +}; -var indexOf = deletedIds.indexOf; + +var push = arr.push; + +var indexOf = arr.indexOf; var class2type = {}; @@ -60,12 +65,91 @@ var toString = class2type.toString; var hasOwn = class2type.hasOwnProperty; +var fnToString = hasOwn.toString; + +var ObjectFunctionString = fnToString.call( Object ); + var support = {}; +var isFunction = function isFunction( obj ) { + + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5 + // Plus for old WebKit, typeof returns "function" for HTML collections + // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756) + return typeof obj === "function" && typeof obj.nodeType !== "number" && + typeof obj.item !== "function"; + }; -var - version = "1.12.4", +var isWindow = function isWindow( obj ) { + return obj != null && obj === obj.window; + }; + + +var document = window.document; + + + + var preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + }; + + function DOMEval( code, node, doc ) { + doc = doc || document; + + var i, val, + script = doc.createElement( "script" ); + + script.text = code; + if ( node ) { + for ( i in preservedScriptAttributes ) { + + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[ i ] || node.getAttribute && node.getAttribute( i ); + if ( val ) { + script.setAttribute( i, val ); + } + } + } + doc.head.appendChild( script ).parentNode.removeChild( script ); + } + + +function toType( obj ) { + if ( obj == null ) { + return obj + ""; + } + + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call( obj ) ] || "object" : + typeof obj; +} +/* global Symbol */ +// Defining this global in .eslintrc.json would create a danger of using the global +// unguarded in another place, it seems safer to define global only for this module + + + +var version = "3.7.1", + + rhtmlSuffix = /HTML$/i, // Define a local copy of jQuery jQuery = function( selector, context ) { @@ -73,19 +157,6 @@ var // The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); - }, - - // Support: Android<4.1, IE<9 - // Make sure we trim BOM and NBSP - rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, - - // Matches dashed string for camelizing - rmsPrefix = /^-ms-/, - rdashAlpha = /-([\da-z])/gi, - - // Used by jQuery.camelCase as callback to replace() - fcamelCase = function( all, letter ) { - return letter.toUpperCase(); }; jQuery.fn = jQuery.prototype = { @@ -95,9 +166,6 @@ jQuery.fn = jQuery.prototype = { constructor: jQuery, - // Start with an empty selector - selector: "", - // The default length of a jQuery object is 0 length: 0, @@ -108,13 +176,14 @@ jQuery.fn = jQuery.prototype = { // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { - return num != null ? - // Return just the one element from the set - ( num < 0 ? this[ num + this.length ] : this[ num ] ) : + // Return all the elements in a clean array + if ( num == null ) { + return slice.call( this ); + } - // Return all the elements in a clean array - slice.call( this ); + // Return just the one element from the set + return num < 0 ? this[ num + this.length ] : this[ num ]; }, // Take an array of elements and push it onto the stack @@ -126,7 +195,6 @@ jQuery.fn = jQuery.prototype = { // Add the old object onto the stack (as a reference) ret.prevObject = this; - ret.context = this.context; // Return the newly-formed element set return ret; @@ -155,6 +223,18 @@ jQuery.fn = jQuery.prototype = { return this.eq( -1 ); }, + even: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return ( i + 1 ) % 2; + } ) ); + }, + + odd: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return i % 2; + } ) ); + }, + eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); @@ -168,12 +248,12 @@ jQuery.fn = jQuery.prototype = { // For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, - sort: deletedIds.sort, - splice: deletedIds.splice + sort: arr.sort, + splice: arr.splice }; jQuery.extend = jQuery.fn.extend = function() { - var src, copyIsArray, copy, name, options, clone, + var options, name, src, copy, copyIsArray, clone, target = arguments[ 0 ] || {}, i = 1, length = arguments.length, @@ -183,17 +263,17 @@ jQuery.extend = jQuery.fn.extend = function() { if ( typeof target === "boolean" ) { deep = target; - // skip the boolean and the target + // Skip the boolean and the target target = arguments[ i ] || {}; i++; } // Handle case when target is a string or something (possible in deep copy) - if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { + if ( typeof target !== "object" && !isFunction( target ) ) { target = {}; } - // extend jQuery itself if only one argument is passed + // Extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; @@ -206,25 +286,28 @@ jQuery.extend = jQuery.fn.extend = function() { // Extend the base object for ( name in options ) { - src = target[ name ]; copy = options[ name ]; + // Prevent Object.prototype pollution // Prevent never-ending loop - if ( target === copy ) { + if ( name === "__proto__" || target === copy ) { continue; } // Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject( copy ) || - ( copyIsArray = jQuery.isArray( copy ) ) ) ) { - - if ( copyIsArray ) { - copyIsArray = false; - clone = src && jQuery.isArray( src ) ? src : []; + ( copyIsArray = Array.isArray( copy ) ) ) ) { + src = target[ name ]; + // Ensure proper type for the source value + if ( copyIsArray && !Array.isArray( src ) ) { + clone = []; + } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { + clone = {}; } else { - clone = src && jQuery.isPlainObject( src ) ? src : {}; + clone = src; } + copyIsArray = false; // Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy ); @@ -255,110 +338,40 @@ jQuery.extend( { noop: function() {}, - // See test/unit/core.js for details concerning isFunction. - // Since version 1.3, DOM methods and functions like alert - // aren't supported. They return false on IE (#2968). - isFunction: function( obj ) { - return jQuery.type( obj ) === "function"; - }, + isPlainObject: function( obj ) { + var proto, Ctor; - isArray: Array.isArray || function( obj ) { - return jQuery.type( obj ) === "array"; - }, + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if ( !obj || toString.call( obj ) !== "[object Object]" ) { + return false; + } - isWindow: function( obj ) { - /* jshint eqeqeq: false */ - return obj != null && obj == obj.window; - }, + proto = getProto( obj ); - isNumeric: function( obj ) { + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if ( !proto ) { + return true; + } - // parseFloat NaNs numeric-cast false positives (null|true|false|"") - // ...but misinterprets leading-number strings, particularly hex literals ("0x...") - // subtraction forces infinities to NaN - // adding 1 corrects loss of precision from parseFloat (#15100) - var realStringObj = obj && obj.toString(); - return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0; + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; + return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; }, isEmptyObject: function( obj ) { var name; + for ( name in obj ) { return false; } return true; }, - isPlainObject: function( obj ) { - var key; - - // Must be an Object. - // Because of IE, we also have to check the presence of the constructor property. - // Make sure that DOM nodes and window objects don't pass through, as well - if ( !obj || jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { - return false; - } - - try { - - // Not own constructor property must be Object - if ( obj.constructor && - !hasOwn.call( obj, "constructor" ) && - !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { - return false; - } - } catch ( e ) { - - // IE8,9 Will throw exceptions on certain host objects #9897 - return false; - } - - // Support: IE<9 - // Handle iteration over inherited properties before own properties. - if ( !support.ownFirst ) { - for ( key in obj ) { - return hasOwn.call( obj, key ); - } - } - - // Own properties are enumerated firstly, so to speed up, - // if last one is own, then all properties are own. - for ( key in obj ) {} - - return key === undefined || hasOwn.call( obj, key ); - }, - - type: function( obj ) { - if ( obj == null ) { - return obj + ""; - } - return typeof obj === "object" || typeof obj === "function" ? - class2type[ toString.call( obj ) ] || "object" : - typeof obj; - }, - - // Workarounds based on findings by Jim Driscoll - // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context - globalEval: function( data ) { - if ( data && jQuery.trim( data ) ) { - - // We use execScript on Internet Explorer - // We use an anonymous function so that context is window - // rather than jQuery in Firefox - ( window.execScript || function( data ) { - window[ "eval" ].call( window, data ); // jscs:ignore requireDotNotation - } )( data ); - } - }, - - // Convert dashed to camelCase; used by the css and data modules - // Microsoft forgot to hump their vendor prefix (#9572) - camelCase: function( string ) { - return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); - }, - - nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + // Evaluates a script in a provided context; falls back to the global one + // if not specified. + globalEval: function( code, options, doc ) { + DOMEval( code, { nonce: options && options.nonce }, doc ); }, each: function( obj, callback ) { @@ -382,11 +395,36 @@ jQuery.extend( { return obj; }, - // Support: Android<4.1, IE<9 - trim: function( text ) { - return text == null ? - "" : - ( text + "" ).replace( rtrim, "" ); + + // Retrieve the text value of an array of DOM nodes + text: function( elem ) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; + + if ( !nodeType ) { + + // If no nodeType, this is expected to be an array + while ( ( node = elem[ i++ ] ) ) { + + // Do not traverse comment nodes + ret += jQuery.text( node ); + } + } + if ( nodeType === 1 || nodeType === 11 ) { + return elem.textContent; + } + if ( nodeType === 9 ) { + return elem.documentElement.textContent; + } + if ( nodeType === 3 || nodeType === 4 ) { + return elem.nodeValue; + } + + // Do not include comment or processing instruction nodes + + return ret; }, // results is for internal usage only @@ -397,7 +435,7 @@ jQuery.extend( { if ( isArrayLike( Object( arr ) ) ) { jQuery.merge( ret, typeof arr === "string" ? - [ arr ] : arr + [ arr ] : arr ); } else { push.call( ret, arr ); @@ -408,43 +446,27 @@ jQuery.extend( { }, inArray: function( elem, arr, i ) { - var len; - - if ( arr ) { - if ( indexOf ) { - return indexOf.call( arr, elem, i ); - } - - len = arr.length; - i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0; - - for ( ; i < len; i++ ) { - - // Skip accessing in sparse arrays - if ( i in arr && arr[ i ] === elem ) { - return i; - } - } - } - - return -1; + return arr == null ? -1 : indexOf.call( arr, elem, i ); }, + isXMLDoc: function( elem ) { + var namespace = elem && elem.namespaceURI, + docElem = elem && ( elem.ownerDocument || elem ).documentElement; + + // Assume HTML when documentElement doesn't yet exist, such as inside + // document fragments. + return !rhtmlSuffix.test( namespace || docElem && docElem.nodeName || "HTML" ); + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit merge: function( first, second ) { var len = +second.length, j = 0, i = first.length; - while ( j < len ) { - first[ i++ ] = second[ j++ ]; - } - - // Support: IE<9 - // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists) - if ( len !== len ) { - while ( second[ j ] !== undefined ) { - first[ i++ ] = second[ j++ ]; - } + for ( ; j < len; j++ ) { + first[ i++ ] = second[ j ]; } first.length = i; @@ -500,125 +522,141 @@ jQuery.extend( { } // Flatten any nested arrays - return concat.apply( [], ret ); + return flat( ret ); }, // A global GUID counter for objects guid: 1, - // Bind a function to a context, optionally partially applying any - // arguments. - proxy: function( fn, context ) { - var args, proxy, tmp; - - if ( typeof context === "string" ) { - tmp = fn[ context ]; - context = fn; - fn = tmp; - } - - // Quick check to determine if target is callable, in the spec - // this throws a TypeError, but we will just return undefined. - if ( !jQuery.isFunction( fn ) ) { - return undefined; - } - - // Simulated bind - args = slice.call( arguments, 2 ); - proxy = function() { - return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); - }; - - // Set the guid of unique handler to the same of original handler, so it can be removed - proxy.guid = fn.guid = fn.guid || jQuery.guid++; - - return proxy; - }, - - now: function() { - return +( new Date() ); - }, - // jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support } ); -// JSHint would error on this code due to the Symbol not being defined in ES5. -// Defining this global in .jshintrc would create a danger of using the global -// unguarded in another place, it seems safer to just disable JSHint for these -// three lines. -/* jshint ignore: start */ if ( typeof Symbol === "function" ) { - jQuery.fn[ Symbol.iterator ] = deletedIds[ Symbol.iterator ]; + jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; } -/* jshint ignore: end */ // Populate the class2type map jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), -function( i, name ) { - class2type[ "[object " + name + "]" ] = name.toLowerCase(); -} ); + function( _i, name ) { + class2type[ "[object " + name + "]" ] = name.toLowerCase(); + } ); function isArrayLike( obj ) { - // Support: iOS 8.2 (not reproducible in simulator) + // Support: real iOS 8.2 only (not reproducible in simulator) // `in` check used to prevent JIT error (gh-2145) // hasOwn isn't used here due to false negatives // regarding Nodelist length in IE var length = !!obj && "length" in obj && obj.length, - type = jQuery.type( obj ); + type = toType( obj ); - if ( type === "function" || jQuery.isWindow( obj ) ) { + if ( isFunction( obj ) || isWindow( obj ) ) { return false; } return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } -var Sizzle = -/*! - * Sizzle CSS Selector Engine v2.2.1 - * http://sizzlejs.com/ - * - * Copyright jQuery Foundation and other contributors - * Released under the MIT license - * http://jquery.org/license - * - * Date: 2015-10-17 - */ -(function( window ) { + + +function nodeName( elem, name ) { + + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + +} +var pop = arr.pop; + + +var sort = arr.sort; + + +var splice = arr.splice; + + +var whitespace = "[\\x20\\t\\r\\n\\f]"; + + +var rtrimCSS = new RegExp( + "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", + "g" +); + + + + +// Note: an element does not contain itself +jQuery.contains = function( a, b ) { + var bup = b && b.parentNode; + + return a === bup || !!( bup && bup.nodeType === 1 && ( + + // Support: IE 9 - 11+ + // IE doesn't have `contains` on SVG. + a.contains ? + a.contains( bup ) : + a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 + ) ); +}; + + + + +// CSS string/identifier serialization +// https://drafts.csswg.org/cssom/#common-serializing-idioms +var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g; + +function fcssescape( ch, asCodePoint ) { + if ( asCodePoint ) { + + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } + + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; +} + +jQuery.escapeSelector = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); +}; + + + + +var preferredDoc = document, + pushNative = push; + +( function() { var i, - support, Expr, - getText, - isXML, - tokenize, - compile, - select, outermostContext, sortInput, hasDuplicate, + push = pushNative, // Local document vars - setDocument, document, - docElem, + documentElement, documentIsHTML, rbuggyQSA, - rbuggyMatches, matches, - contains, // Instance-specific data - expando = "sizzle" + 1 * new Date(), - preferredDoc = window.document, + expando = jQuery.expando, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), + nonnativeSelectorCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; @@ -626,151 +664,146 @@ var i, return 0; }, - // General-purpose constants - MAX_NEGATIVE = 1 << 31, - - // Instance methods - hasOwn = ({}).hasOwnProperty, - arr = [], - pop = arr.pop, - push_native = arr.push, - push = arr.push, - slice = arr.slice, - // Use a stripped-down indexOf as it's faster than native - // http://jsperf.com/thor-indexof-vs-for/5 - indexOf = function( list, elem ) { - var i = 0, - len = list.length; - for ( ; i < len; i++ ) { - if ( list[i] === elem ) { - return i; - } - } - return -1; - }, - - booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|" + + "loop|multiple|open|readonly|required|scoped", // Regular expressions - // http://www.w3.org/TR/css3-selectors/#whitespace - whitespace = "[\\x20\\t\\r\\n\\f]", + // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram + identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", - // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier - identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", - - // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + // Attribute selectors: https://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" - "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + - "*\\]", + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + + whitespace + "*\\]", pseudos = ":(" + identifier + ")(?:\\((" + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + // 3. anything else (capture 2) ".*" + ")\\)|)", // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new RegExp( whitespace + "+", "g" ), - rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), - rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), - - rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), + rleadingCombinator = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + + whitespace + "*" ), + rdescend = new RegExp( whitespace + "|>" ), rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ), matchExpr = { - "ID": new RegExp( "^#(" + identifier + ")" ), - "CLASS": new RegExp( "^\\.(" + identifier + ")" ), - "TAG": new RegExp( "^(" + identifier + "|[*])" ), - "ATTR": new RegExp( "^" + attributes ), - "PSEUDO": new RegExp( "^" + pseudos ), - "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + - "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + - "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), - "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), + ID: new RegExp( "^#(" + identifier + ")" ), + CLASS: new RegExp( "^\\.(" + identifier + ")" ), + TAG: new RegExp( "^(" + identifier + "|[*])" ), + ATTR: new RegExp( "^" + attributes ), + PSEUDO: new RegExp( "^" + pseudos ), + CHILD: new RegExp( + "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), + bool: new RegExp( "^(?:" + booleans + ")$", "i" ), + // For use in libraries implementing .is() // We use this for POS matching in `select` - "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + - whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) + needsContext: new RegExp( "^" + whitespace + + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) }, rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i, - rnative = /^[^{]+\{\s*\[native \w/, - // Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, rsibling = /[+~]/, - rescape = /'|\\/g, - // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters - runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), - funescape = function( _, escaped, escapedWhitespace ) { - var high = "0x" + escaped - 0x10000; - // NaN means non-codepoint - // Support: Firefox<24 - // Workaround erroneous numeric interpretation of +"0x" - return high !== high || escapedWhitespace ? - escaped : - high < 0 ? - // BMP codepoint - String.fromCharCode( high + 0x10000 ) : - // Supplemental Plane codepoint (surrogate pair) - String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); + // CSS escapes + // https://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\([^\\r\\n\\f])", "g" ), + funescape = function( escape, nonHex ) { + var high = "0x" + escape.slice( 1 ) - 0x10000; + + if ( nonHex ) { + + // Strip the backslash prefix from a non-hex escape sequence + return nonHex; + } + + // Replace a hexadecimal escape sequence with the encoded Unicode code point + // Support: IE <=11+ + // For values outside the Basic Multilingual Plane (BMP), manually construct a + // surrogate pair + return high < 0 ? + String.fromCharCode( high + 0x10000 ) : + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); }, - // Used for iframes - // See setDocument() + // Used for iframes; see `setDocument`. + // Support: IE 9 - 11+, Edge 12 - 18+ // Removing the function wrapper causes a "Permission Denied" - // error in IE + // error in IE/Edge. unloadHandler = function() { setDocument(); - }; + }, + + inDisabledFieldset = addCombinator( + function( elem ) { + return elem.disabled === true && nodeName( elem, "fieldset" ); + }, + { dir: "parentNode", next: "legend" } + ); + +// Support: IE <=9 only +// Accessing document.activeElement can throw unexpectedly +// https://bugs.jquery.com/ticket/13393 +function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } +} // Optimize for push.apply( _, NodeList ) try { push.apply( - (arr = slice.call( preferredDoc.childNodes )), + ( arr = slice.call( preferredDoc.childNodes ) ), preferredDoc.childNodes ); - // Support: Android<4.0 + + // Support: Android <=4.0 // Detect silently failing push.apply + // eslint-disable-next-line no-unused-expressions arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { - push = { apply: arr.length ? - - // Leverage slice if possible - function( target, els ) { - push_native.apply( target, slice.call(els) ); - } : - - // Support: IE<9 - // Otherwise append directly - function( target, els ) { - var j = target.length, - i = 0; - // Can't trust NodeList.length - while ( (target[j++] = els[i++]) ) {} - target.length = j - 1; + push = { + apply: function( target, els ) { + pushNative.apply( target, slice.call( els ) ); + }, + call: function( target ) { + pushNative.apply( target, slice.call( arguments, 1 ) ); } }; } -function Sizzle( selector, context, results, seed ) { - var m, i, elem, nid, nidselect, match, groups, newSelector, +function find( selector, context, results, seed ) { + var m, i, elem, nid, match, groups, newSelector, newContext = context && context.ownerDocument, // nodeType defaults to 9, since context defaults to document @@ -787,30 +820,26 @@ function Sizzle( selector, context, results, seed ) { // Try to shortcut find operations (as opposed to filters) in HTML documents if ( !seed ) { - - if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { - setDocument( context ); - } + setDocument( context ); context = context || document; if ( documentIsHTML ) { // If the selector is sufficiently simple, try using a "get*By*" DOM method // (excepting DocumentFragment context, where the methods don't exist) - if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { + if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { // ID selector - if ( (m = match[1]) ) { + if ( ( m = match[ 1 ] ) ) { // Document context if ( nodeType === 9 ) { - if ( (elem = context.getElementById( m )) ) { + if ( ( elem = context.getElementById( m ) ) ) { - // Support: IE, Opera, Webkit - // TODO: identify versions + // Support: IE 9 only // getElementById can match elements by name instead of ID if ( elem.id === m ) { - results.push( elem ); + push.call( results, elem ); return results; } } else { @@ -820,79 +849,86 @@ function Sizzle( selector, context, results, seed ) { // Element context } else { - // Support: IE, Opera, Webkit - // TODO: identify versions + // Support: IE 9 only // getElementById can match elements by name instead of ID - if ( newContext && (elem = newContext.getElementById( m )) && - contains( context, elem ) && + if ( newContext && ( elem = newContext.getElementById( m ) ) && + find.contains( context, elem ) && elem.id === m ) { - results.push( elem ); + push.call( results, elem ); return results; } } // Type selector - } else if ( match[2] ) { + } else if ( match[ 2 ] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results; // Class selector - } else if ( (m = match[3]) && support.getElementsByClassName && - context.getElementsByClassName ) { - + } else if ( ( m = match[ 3 ] ) && context.getElementsByClassName ) { push.apply( results, context.getElementsByClassName( m ) ); return results; } } // Take advantage of querySelectorAll - if ( support.qsa && - !compilerCache[ selector + " " ] && - (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { + if ( !nonnativeSelectorCache[ selector + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) ) { - if ( nodeType !== 1 ) { - newContext = context; - newSelector = selector; + newSelector = selector; + newContext = context; - // qSA looks outside Element context, which is not what we want - // Thanks to Andrew Dupont for this workaround technique - // Support: IE <=8 - // Exclude object elements - } else if ( context.nodeName.toLowerCase() !== "object" ) { + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // The technique has to be used as well when a leading combinator is used + // as such selectors are not recognized by querySelectorAll. + // Thanks to Andrew Dupont for this technique. + if ( nodeType === 1 && + ( rdescend.test( selector ) || rleadingCombinator.test( selector ) ) ) { - // Capture the context ID, setting it first if necessary - if ( (nid = context.getAttribute( "id" )) ) { - nid = nid.replace( rescape, "\\$&" ); - } else { - context.setAttribute( "id", (nid = expando) ); + // Expand context for sibling selectors + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || + context; + + // We can use :scope instead of the ID hack if the browser + // supports it & if we're not changing the context. + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when + // strict-comparing two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( newContext != context || !support.scope ) { + + // Capture the context ID, setting it first if necessary + if ( ( nid = context.getAttribute( "id" ) ) ) { + nid = jQuery.escapeSelector( nid ); + } else { + context.setAttribute( "id", ( nid = expando ) ); + } } // Prefix every selector in the list groups = tokenize( selector ); i = groups.length; - nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']"; while ( i-- ) { - groups[i] = nidselect + " " + toSelector( groups[i] ); + groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + + toSelector( groups[ i ] ); } newSelector = groups.join( "," ); - - // Expand context for sibling selectors - newContext = rsibling.test( selector ) && testContext( context.parentNode ) || - context; } - if ( newSelector ) { - try { - push.apply( results, - newContext.querySelectorAll( newSelector ) - ); - return results; - } catch ( qsaError ) { - } finally { - if ( nid === expando ) { - context.removeAttribute( "id" ); - } + try { + push.apply( results, + newContext.querySelectorAll( newSelector ) + ); + return results; + } catch ( qsaError ) { + nonnativeSelectorCache( selector, true ); + } finally { + if ( nid === expando ) { + context.removeAttribute( "id" ); } } } @@ -900,7 +936,7 @@ function Sizzle( selector, context, results, seed ) { } // All others - return select( selector.replace( rtrim, "$1" ), context, results, seed ); + return select( selector.replace( rtrimCSS, "$1" ), context, results, seed ); } /** @@ -913,18 +949,21 @@ function createCache() { var keys = []; function cache( key, value ) { - // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + + // Use (key + " ") to avoid collision with native prototype properties + // (see https://github.com/jquery/sizzle/issues/157) if ( keys.push( key + " " ) > Expr.cacheLength ) { + // Only keep the most recent entries delete cache[ keys.shift() ]; } - return (cache[ key + " " ] = value); + return ( cache[ key + " " ] = value ); } return cache; } /** - * Mark a function for special use by Sizzle + * Mark a function for special use by jQuery selector module * @param {Function} fn The function to mark */ function markFunction( fn ) { @@ -934,76 +973,34 @@ function markFunction( fn ) { /** * Support testing using an element - * @param {Function} fn Passed the created div and expects a boolean result + * @param {Function} fn Passed the created element and returns a boolean result */ function assert( fn ) { - var div = document.createElement("div"); + var el = document.createElement( "fieldset" ); try { - return !!fn( div ); - } catch (e) { + return !!fn( el ); + } catch ( e ) { return false; } finally { + // Remove from its parent by default - if ( div.parentNode ) { - div.parentNode.removeChild( div ); + if ( el.parentNode ) { + el.parentNode.removeChild( el ); } + // release memory in IE - div = null; + el = null; } } -/** - * Adds the same handler for all of the specified attrs - * @param {String} attrs Pipe-separated list of attributes - * @param {Function} handler The method that will be applied - */ -function addHandle( attrs, handler ) { - var arr = attrs.split("|"), - i = arr.length; - - while ( i-- ) { - Expr.attrHandle[ arr[i] ] = handler; - } -} - -/** - * Checks document order of two siblings - * @param {Element} a - * @param {Element} b - * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b - */ -function siblingCheck( a, b ) { - var cur = b && a, - diff = cur && a.nodeType === 1 && b.nodeType === 1 && - ( ~b.sourceIndex || MAX_NEGATIVE ) - - ( ~a.sourceIndex || MAX_NEGATIVE ); - - // Use IE sourceIndex if available on both nodes - if ( diff ) { - return diff; - } - - // Check if b follows a - if ( cur ) { - while ( (cur = cur.nextSibling) ) { - if ( cur === b ) { - return -1; - } - } - } - - return a ? 1 : -1; -} - /** * Returns a function to use in pseudos for input types * @param {String} type */ function createInputPseudo( type ) { return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === type; + return nodeName( elem, "input" ) && elem.type === type; }; } @@ -1013,8 +1010,63 @@ function createInputPseudo( type ) { */ function createButtonPseudo( type ) { return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return (name === "input" || name === "button") && elem.type === type; + return ( nodeName( elem, "input" ) || nodeName( elem, "button" ) ) && + elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ +function createDisabledPseudo( disabled ) { + + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function( elem ) { + + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ( "form" in elem ) { + + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if ( elem.parentNode && elem.disabled === false ) { + + // Option elements defer to a parent optgroup if present + if ( "label" in elem ) { + if ( "label" in elem.parentNode ) { + return elem.parentNode.disabled === disabled; + } else { + return elem.disabled === disabled; + } + } + + // Support: IE 6 - 11+ + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || + + // Where there is no isDisabled, check manually + elem.isDisabled !== !disabled && + inDisabledFieldset( elem ) === disabled; + } + + return elem.disabled === disabled; + + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ( "label" in elem ) { + return elem.disabled === disabled; + } + + // Remaining elements are neither :enabled nor :disabled + return false; }; } @@ -1023,25 +1075,25 @@ function createButtonPseudo( type ) { * @param {Function} fn */ function createPositionalPseudo( fn ) { - return markFunction(function( argument ) { + return markFunction( function( argument ) { argument = +argument; - return markFunction(function( seed, matches ) { + return markFunction( function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length; // Match elements found at the specified indexes while ( i-- ) { - if ( seed[ (j = matchIndexes[i]) ] ) { - seed[j] = !(matches[j] = seed[j]); + if ( seed[ ( j = matchIndexes[ i ] ) ] ) { + seed[ j ] = !( matches[ j ] = seed[ j ] ); } } - }); - }); + } ); + } ); } /** - * Checks a node for validity as a Sizzle context + * Checks a node for validity as a jQuery selector context * @param {Element|Object=} context * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value */ @@ -1049,148 +1101,162 @@ function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; } -// Expose support vars for convenience -support = Sizzle.support = {}; - -/** - * Detects XML nodes - * @param {Element|Object} elem An element or a document - * @returns {Boolean} True iff elem is a non-HTML XML node - */ -isXML = Sizzle.isXML = function( elem ) { - // documentElement is verified for cases where it doesn't yet exist - // (such as loading iframes in IE - #4833) - var documentElement = elem && (elem.ownerDocument || elem).documentElement; - return documentElement ? documentElement.nodeName !== "HTML" : false; -}; - /** * Sets document-related variables once based on the current document - * @param {Element|Object} [doc] An element or document object to use to set the document + * @param {Element|Object} [node] An element or document object to use to set the document * @returns {Object} Returns the current document */ -setDocument = Sizzle.setDocument = function( node ) { - var hasCompare, parent, +function setDocument( node ) { + var subWindow, doc = node ? node.ownerDocument || node : preferredDoc; // Return early if doc is invalid or already selected - if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { return document; } // Update global variables document = doc; - docElem = document.documentElement; - documentIsHTML = !isXML( document ); + documentElement = document.documentElement; + documentIsHTML = !jQuery.isXMLDoc( document ); - // Support: IE 9-11, Edge - // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) - if ( (parent = document.defaultView) && parent.top !== parent ) { - // Support: IE 11 - if ( parent.addEventListener ) { - parent.addEventListener( "unload", unloadHandler, false ); + // Support: iOS 7 only, IE 9 - 11+ + // Older browsers didn't support unprefixed `matches`. + matches = documentElement.matches || + documentElement.webkitMatchesSelector || + documentElement.msMatchesSelector; - // Support: IE 9 - 10 only - } else if ( parent.attachEvent ) { - parent.attachEvent( "onunload", unloadHandler ); - } + // Support: IE 9 - 11+, Edge 12 - 18+ + // Accessing iframe documents after unload throws "permission denied" errors + // (see trac-13936). + // Limit the fix to IE & Edge Legacy; despite Edge 15+ implementing `matches`, + // all IE 9+ and Edge Legacy versions implement `msMatchesSelector` as well. + if ( documentElement.msMatchesSelector && + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + preferredDoc != document && + ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { + + // Support: IE 9 - 11+, Edge 12 - 18+ + subWindow.addEventListener( "unload", unloadHandler ); } - /* Attributes - ---------------------------------------------------------------------- */ - - // Support: IE<8 - // Verify that getAttribute really returns attributes and not properties - // (excepting IE8 booleans) - support.attributes = assert(function( div ) { - div.className = "i"; - return !div.getAttribute("className"); - }); - - /* getElement(s)By* - ---------------------------------------------------------------------- */ - - // Check if getElementsByTagName("*") returns only elements - support.getElementsByTagName = assert(function( div ) { - div.appendChild( document.createComment("") ); - return !div.getElementsByTagName("*").length; - }); - - // Support: IE<9 - support.getElementsByClassName = rnative.test( document.getElementsByClassName ); - - // Support: IE<10 + // Support: IE <10 // Check if getElementById returns elements by name - // The broken getElementById methods don't pick up programatically-set names, + // The broken getElementById methods don't pick up programmatically-set names, // so use a roundabout getElementsByName test - support.getById = assert(function( div ) { - docElem.appendChild( div ).id = expando; - return !document.getElementsByName || !document.getElementsByName( expando ).length; - }); + support.getById = assert( function( el ) { + documentElement.appendChild( el ).id = jQuery.expando; + return !document.getElementsByName || + !document.getElementsByName( jQuery.expando ).length; + } ); - // ID find and filter + // Support: IE 9 only + // Check to see if it's possible to do matchesSelector + // on a disconnected node. + support.disconnectedMatch = assert( function( el ) { + return matches.call( el, "*" ); + } ); + + // Support: IE 9 - 11+, Edge 12 - 18+ + // IE/Edge don't support the :scope pseudo-class. + support.scope = assert( function() { + return document.querySelectorAll( ":scope" ); + } ); + + // Support: Chrome 105 - 111 only, Safari 15.4 - 16.3 only + // Make sure the `:has()` argument is parsed unforgivingly. + // We include `*` in the test to detect buggy implementations that are + // _selectively_ forgiving (specifically when the list includes at least + // one valid selector). + // Note that we treat complete lack of support for `:has()` as if it were + // spec-compliant support, which is fine because use of `:has()` in such + // environments will fail in the qSA path and fall back to jQuery traversal + // anyway. + support.cssHas = assert( function() { + try { + document.querySelector( ":has(*,:jqfake)" ); + return false; + } catch ( e ) { + return true; + } + } ); + + // ID filter and find if ( support.getById ) { - Expr.find["ID"] = function( id, context ) { - if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { - var m = context.getElementById( id ); - return m ? [ m ] : []; - } - }; - Expr.filter["ID"] = function( id ) { + Expr.filter.ID = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { - return elem.getAttribute("id") === attrId; + return elem.getAttribute( "id" ) === attrId; }; }; + Expr.find.ID = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var elem = context.getElementById( id ); + return elem ? [ elem ] : []; + } + }; } else { - // Support: IE6/7 - // getElementById is not reliable as a find shortcut - delete Expr.find["ID"]; - - Expr.filter["ID"] = function( id ) { + Expr.filter.ID = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && - elem.getAttributeNode("id"); + elem.getAttributeNode( "id" ); return node && node.value === attrId; }; }; + + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find.ID = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var node, i, elems, + elem = context.getElementById( id ); + + if ( elem ) { + + // Verify the id attribute + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + + // Fall back on getElementsByName + elems = context.getElementsByName( id ); + i = 0; + while ( ( elem = elems[ i++ ] ) ) { + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + } + } + + return []; + } + }; } // Tag - Expr.find["TAG"] = support.getElementsByTagName ? - function( tag, context ) { - if ( typeof context.getElementsByTagName !== "undefined" ) { - return context.getElementsByTagName( tag ); + Expr.find.TAG = function( tag, context ) { + if ( typeof context.getElementsByTagName !== "undefined" ) { + return context.getElementsByTagName( tag ); - // DocumentFragment nodes don't have gEBTN - } else if ( support.qsa ) { - return context.querySelectorAll( tag ); - } - } : - - function( tag, context ) { - var elem, - tmp = [], - i = 0, - // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too - results = context.getElementsByTagName( tag ); - - // Filter out possible comments - if ( tag === "*" ) { - while ( (elem = results[i++]) ) { - if ( elem.nodeType === 1 ) { - tmp.push( elem ); - } - } - - return tmp; - } - return results; - }; + // DocumentFragment nodes don't have gEBTN + } else { + return context.querySelectorAll( tag ); + } + }; // Class - Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { + Expr.find.CLASS = function( className, context ) { if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { return context.getElementsByClassName( className ); } @@ -1201,143 +1267,94 @@ setDocument = Sizzle.setDocument = function( node ) { // QSA and matchesSelector support - // matchesSelector(:active) reports false when true (IE9/Opera 11.5) - rbuggyMatches = []; - - // qSa(:focus) reports false when true (Chrome 21) - // We allow this because of a bug in IE8/9 that throws an error - // whenever `document.activeElement` is accessed on an iframe - // So, we allow :focus to pass through QSA all the time to avoid the IE error - // See http://bugs.jquery.com/ticket/13378 rbuggyQSA = []; - if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { - // Build QSA regex - // Regex strategy adopted from Diego Perini - assert(function( div ) { - // Select is set to empty string on purpose - // This is to test IE's treatment of not explicitly - // setting a boolean content attribute, - // since its presence should be enough - // http://bugs.jquery.com/ticket/12359 - docElem.appendChild( div ).innerHTML = "" + - ""; + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert( function( el ) { - // Support: IE8, Opera 11-12.16 - // Nothing should be selected when empty strings follow ^= or $= or *= - // The test attribute must be unknown in Opera but "safe" for WinRT - // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section - if ( div.querySelectorAll("[msallowcapture^='']").length ) { - rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); - } + var input; - // Support: IE8 - // Boolean attributes and "value" are not treated correctly - if ( !div.querySelectorAll("[selected]").length ) { - rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); - } + documentElement.appendChild( el ).innerHTML = + "" + + ""; - // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ - if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { - rbuggyQSA.push("~="); - } + // Support: iOS <=7 - 8 only + // Boolean attributes and "value" are not treated correctly in some XML documents + if ( !el.querySelectorAll( "[selected]" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); + } - // Webkit/Opera - :checked should return selected option elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":checked").length ) { - rbuggyQSA.push(":checked"); - } + // Support: iOS <=7 - 8 only + if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { + rbuggyQSA.push( "~=" ); + } - // Support: Safari 8+, iOS 8+ - // https://bugs.webkit.org/show_bug.cgi?id=136851 - // In-page `selector#id sibing-combinator selector` fails - if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { - rbuggyQSA.push(".#.+[+~]"); - } - }); + // Support: iOS 8 only + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { + rbuggyQSA.push( ".#.+[+~]" ); + } - assert(function( div ) { - // Support: Windows 8 Native Apps - // The type and name attributes are restricted during .innerHTML assignment - var input = document.createElement("input"); - input.setAttribute( "type", "hidden" ); - div.appendChild( input ).setAttribute( "name", "D" ); + // Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+ + // In some of the document kinds, these selectors wouldn't work natively. + // This is probably OK but for backwards compatibility we want to maintain + // handling them through jQuery traversal in jQuery 3.x. + if ( !el.querySelectorAll( ":checked" ).length ) { + rbuggyQSA.push( ":checked" ); + } - // Support: IE8 - // Enforce case-sensitivity of name attribute - if ( div.querySelectorAll("[name=d]").length ) { - rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); - } + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + input = document.createElement( "input" ); + input.setAttribute( "type", "hidden" ); + el.appendChild( input ).setAttribute( "name", "D" ); - // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":enabled").length ) { - rbuggyQSA.push( ":enabled", ":disabled" ); - } + // Support: IE 9 - 11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + // Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+ + // In some of the document kinds, these selectors wouldn't work natively. + // This is probably OK but for backwards compatibility we want to maintain + // handling them through jQuery traversal in jQuery 3.x. + documentElement.appendChild( el ).disabled = true; + if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } - // Opera 10-11 does not throw on post-comma invalid pseudos - div.querySelectorAll("*,:x"); - rbuggyQSA.push(",.*:"); - }); + // Support: IE 11+, Edge 15 - 18+ + // IE 11/Edge don't find elements on a `[name='']` query in some cases. + // Adding a temporary attribute to the document before the selection works + // around the issue. + // Interestingly, IE 10 & older don't seem to have the issue. + input = document.createElement( "input" ); + input.setAttribute( "name", "" ); + el.appendChild( input ); + if ( !el.querySelectorAll( "[name='']" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + + whitespace + "*(?:''|\"\")" ); + } + } ); + + if ( !support.cssHas ) { + + // Support: Chrome 105 - 110+, Safari 15.4 - 16.3+ + // Our regular `try-catch` mechanism fails to detect natively-unsupported + // pseudo-classes inside `:has()` (such as `:has(:contains("Foo"))`) + // in browsers that parse the `:has()` argument as a forgiving selector list. + // https://drafts.csswg.org/selectors/#relational now requires the argument + // to be parsed unforgivingly, but browsers have not yet fully adjusted. + rbuggyQSA.push( ":has" ); } - if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || - docElem.webkitMatchesSelector || - docElem.mozMatchesSelector || - docElem.oMatchesSelector || - docElem.msMatchesSelector) )) ) { - - assert(function( div ) { - // Check to see if it's possible to do matchesSelector - // on a disconnected node (IE 9) - support.disconnectedMatch = matches.call( div, "div" ); - - // This should fail with an exception - // Gecko does not error, returns false instead - matches.call( div, "[s!='']:x" ); - rbuggyMatches.push( "!=", pseudos ); - }); - } - - rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); - rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); - - /* Contains - ---------------------------------------------------------------------- */ - hasCompare = rnative.test( docElem.compareDocumentPosition ); - - // Element contains another - // Purposefully self-exclusive - // As in, an element does not contain itself - contains = hasCompare || rnative.test( docElem.contains ) ? - function( a, b ) { - var adown = a.nodeType === 9 ? a.documentElement : a, - bup = b && b.parentNode; - return a === bup || !!( bup && bup.nodeType === 1 && ( - adown.contains ? - adown.contains( bup ) : - a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 - )); - } : - function( a, b ) { - if ( b ) { - while ( (b = b.parentNode) ) { - if ( b === a ) { - return true; - } - } - } - return false; - }; + rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); /* Sorting ---------------------------------------------------------------------- */ // Document order sorting - sortOrder = hasCompare ? - function( a, b ) { + sortOrder = function( a, b ) { // Flag for duplicate removal if ( a === b ) { @@ -1352,7 +1369,11 @@ setDocument = Sizzle.setDocument = function( node ) { } // Calculate position if both inputs belong to the same document - compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) : // Otherwise we know they are disconnected @@ -1360,145 +1381,109 @@ setDocument = Sizzle.setDocument = function( node ) { // Disconnected nodes if ( compare & 1 || - (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { + ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { // Choose the first element that is related to our preferred document - if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( a === document || a.ownerDocument == preferredDoc && + find.contains( preferredDoc, a ) ) { return -1; } - if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( b === document || b.ownerDocument == preferredDoc && + find.contains( preferredDoc, b ) ) { return 1; } // Maintain original order return sortInput ? - ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : 0; } return compare & 4 ? -1 : 1; - } : - function( a, b ) { - // Exit early if the nodes are identical - if ( a === b ) { - hasDuplicate = true; - return 0; - } - - var cur, - i = 0, - aup = a.parentNode, - bup = b.parentNode, - ap = [ a ], - bp = [ b ]; - - // Parentless nodes are either documents or disconnected - if ( !aup || !bup ) { - return a === document ? -1 : - b === document ? 1 : - aup ? -1 : - bup ? 1 : - sortInput ? - ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : - 0; - - // If the nodes are siblings, we can do a quick check - } else if ( aup === bup ) { - return siblingCheck( a, b ); - } - - // Otherwise we need full lists of their ancestors for comparison - cur = a; - while ( (cur = cur.parentNode) ) { - ap.unshift( cur ); - } - cur = b; - while ( (cur = cur.parentNode) ) { - bp.unshift( cur ); - } - - // Walk down the tree looking for a discrepancy - while ( ap[i] === bp[i] ) { - i++; - } - - return i ? - // Do a sibling check if the nodes have a common ancestor - siblingCheck( ap[i], bp[i] ) : - - // Otherwise nodes in our document sort first - ap[i] === preferredDoc ? -1 : - bp[i] === preferredDoc ? 1 : - 0; }; return document; +} + +find.matches = function( expr, elements ) { + return find( expr, null, null, elements ); }; -Sizzle.matches = function( expr, elements ) { - return Sizzle( expr, null, null, elements ); -}; +find.matchesSelector = function( elem, expr ) { + setDocument( elem ); -Sizzle.matchesSelector = function( elem, expr ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } - - // Make sure that attribute selectors are quoted - expr = expr.replace( rattributeQuotes, "='$1']" ); - - if ( support.matchesSelector && documentIsHTML && - !compilerCache[ expr + " " ] && - ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && - ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { + if ( documentIsHTML && + !nonnativeSelectorCache[ expr + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { try { var ret = matches.call( elem, expr ); // IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || + // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } - } catch (e) {} + } catch ( e ) { + nonnativeSelectorCache( expr, true ); + } } - return Sizzle( expr, document, null, [ elem ] ).length > 0; + return find( expr, document, null, [ elem ] ).length > 0; }; -Sizzle.contains = function( context, elem ) { +find.contains = function( context, elem ) { + // Set document vars if needed - if ( ( context.ownerDocument || context ) !== document ) { + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( context.ownerDocument || context ) != document ) { setDocument( context ); } - return contains( context, elem ); + return jQuery.contains( context, elem ); }; -Sizzle.attr = function( elem, name ) { + +find.attr = function( elem, name ) { + // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( elem.ownerDocument || elem ) != document ) { setDocument( elem ); } var fn = Expr.attrHandle[ name.toLowerCase() ], - // Don't get fooled by Object.prototype properties (jQuery #13807) + + // Don't get fooled by Object.prototype properties (see trac-13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined; - return val !== undefined ? - val : - support.attributes || !documentIsHTML ? - elem.getAttribute( name ) : - (val = elem.getAttributeNode(name)) && val.specified ? - val.value : - null; + if ( val !== undefined ) { + return val; + } + + return elem.getAttribute( name ); }; -Sizzle.error = function( msg ) { +find.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); }; @@ -1506,25 +1491,29 @@ Sizzle.error = function( msg ) { * Document sorting and removing duplicates * @param {ArrayLike} results */ -Sizzle.uniqueSort = function( results ) { +jQuery.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0; // Unless we *know* we can detect duplicates, assume their presence - hasDuplicate = !support.detectDuplicates; - sortInput = !support.sortStable && results.slice( 0 ); - results.sort( sortOrder ); + // + // Support: Android <=4.0+ + // Testing for detecting duplicates is unpredictable so instead assume we can't + // depend on duplicate detection in all browsers without a stable sort. + hasDuplicate = !support.sortStable; + sortInput = !support.sortStable && slice.call( results, 0 ); + sort.call( results, sortOrder ); if ( hasDuplicate ) { - while ( (elem = results[i++]) ) { + while ( ( elem = results[ i++ ] ) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { - results.splice( duplicates[ j ], 1 ); + splice.call( results, duplicates[ j ], 1 ); } } @@ -1535,42 +1524,11 @@ Sizzle.uniqueSort = function( results ) { return results; }; -/** - * Utility function for retrieving the text value of an array of DOM nodes - * @param {Array|Element} elem - */ -getText = Sizzle.getText = function( elem ) { - var node, - ret = "", - i = 0, - nodeType = elem.nodeType; - - if ( !nodeType ) { - // If no nodeType, this is expected to be an array - while ( (node = elem[i++]) ) { - // Do not traverse comment nodes - ret += getText( node ); - } - } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { - // Use textContent for elements - // innerText usage removed for consistency of new lines (jQuery #11153) - if ( typeof elem.textContent === "string" ) { - return elem.textContent; - } else { - // Traverse its children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - ret += getText( elem ); - } - } - } else if ( nodeType === 3 || nodeType === 4 ) { - return elem.nodeValue; - } - // Do not include comment or processing instruction nodes - - return ret; +jQuery.fn.uniqueSort = function() { + return this.pushStack( jQuery.uniqueSort( slice.apply( this ) ) ); }; -Expr = Sizzle.selectors = { +Expr = jQuery.expr = { // Can be adjusted by the user cacheLength: 50, @@ -1591,20 +1549,22 @@ Expr = Sizzle.selectors = { }, preFilter: { - "ATTR": function( match ) { - match[1] = match[1].replace( runescape, funescape ); + ATTR: function( match ) { + match[ 1 ] = match[ 1 ].replace( runescape, funescape ); // Move the given value to match[3] whether quoted or unquoted - match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); + match[ 3 ] = ( match[ 3 ] || match[ 4 ] || match[ 5 ] || "" ) + .replace( runescape, funescape ); - if ( match[2] === "~=" ) { - match[3] = " " + match[3] + " "; + if ( match[ 2 ] === "~=" ) { + match[ 3 ] = " " + match[ 3 ] + " "; } return match.slice( 0, 4 ); }, - "CHILD": function( match ) { + CHILD: function( match ) { + /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) @@ -1615,49 +1575,55 @@ Expr = Sizzle.selectors = { 7 sign of y-component 8 y of y-component */ - match[1] = match[1].toLowerCase(); + match[ 1 ] = match[ 1 ].toLowerCase(); + + if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { - if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument - if ( !match[3] ) { - Sizzle.error( match[0] ); + if ( !match[ 3 ] ) { + find.error( match[ 0 ] ); } // numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 - match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); - match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); + match[ 4 ] = +( match[ 4 ] ? + match[ 5 ] + ( match[ 6 ] || 1 ) : + 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) + ); + match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); // other types prohibit arguments - } else if ( match[3] ) { - Sizzle.error( match[0] ); + } else if ( match[ 3 ] ) { + find.error( match[ 0 ] ); } return match; }, - "PSEUDO": function( match ) { + PSEUDO: function( match ) { var excess, - unquoted = !match[6] && match[2]; + unquoted = !match[ 6 ] && match[ 2 ]; - if ( matchExpr["CHILD"].test( match[0] ) ) { + if ( matchExpr.CHILD.test( match[ 0 ] ) ) { return null; } // Accept quoted arguments as-is - if ( match[3] ) { - match[2] = match[4] || match[5] || ""; + if ( match[ 3 ] ) { + match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; // Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && + // Get excess from tokenize (recursively) - (excess = tokenize( unquoted, true )) && + ( excess = tokenize( unquoted, true ) ) && + // advance to the next closing parenthesis - (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { + ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { // excess is a negative index - match[0] = match[0].slice( 0, excess ); - match[2] = unquoted.slice( 0, excess ); + match[ 0 ] = match[ 0 ].slice( 0, excess ); + match[ 2 ] = unquoted.slice( 0, excess ); } // Return only captures needed by the pseudo filter method (type and argument) @@ -1667,28 +1633,36 @@ Expr = Sizzle.selectors = { filter: { - "TAG": function( nodeNameSelector ) { - var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); + TAG: function( nodeNameSelector ) { + var expectedNodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? - function() { return true; } : + function() { + return true; + } : function( elem ) { - return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; + return nodeName( elem, expectedNodeName ); }; }, - "CLASS": function( className ) { + CLASS: function( className ) { var pattern = classCache[ className + " " ]; return pattern || - (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && + ( pattern = new RegExp( "(^|" + whitespace + ")" + className + + "(" + whitespace + "|$)" ) ) && classCache( className, function( elem ) { - return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); - }); + return pattern.test( + typeof elem.className === "string" && elem.className || + typeof elem.getAttribute !== "undefined" && + elem.getAttribute( "class" ) || + "" + ); + } ); }, - "ATTR": function( name, operator, check ) { + ATTR: function( name, operator, check ) { return function( elem ) { - var result = Sizzle.attr( elem, name ); + var result = find.attr( elem, name ); if ( result == null ) { return operator === "!="; @@ -1699,18 +1673,34 @@ Expr = Sizzle.selectors = { result += ""; - return operator === "=" ? result === check : - operator === "!=" ? result !== check : - operator === "^=" ? check && result.indexOf( check ) === 0 : - operator === "*=" ? check && result.indexOf( check ) > -1 : - operator === "$=" ? check && result.slice( -check.length ) === check : - operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : - operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : - false; + if ( operator === "=" ) { + return result === check; + } + if ( operator === "!=" ) { + return result !== check; + } + if ( operator === "^=" ) { + return check && result.indexOf( check ) === 0; + } + if ( operator === "*=" ) { + return check && result.indexOf( check ) > -1; + } + if ( operator === "$=" ) { + return check && result.slice( -check.length ) === check; + } + if ( operator === "~=" ) { + return ( " " + result.replace( rwhitespace, " " ) + " " ) + .indexOf( check ) > -1; + } + if ( operator === "|=" ) { + return result === check || result.slice( 0, check.length + 1 ) === check + "-"; + } + + return false; }; }, - "CHILD": function( type, what, argument, first, last ) { + CHILD: function( type, what, _argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type"; @@ -1722,8 +1712,8 @@ Expr = Sizzle.selectors = { return !!elem.parentNode; } : - function( elem, context, xml ) { - var cache, uniqueCache, outerCache, node, nodeIndex, start, + function( elem, _context, xml ) { + var cache, outerCache, node, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), @@ -1736,14 +1726,15 @@ Expr = Sizzle.selectors = { if ( simple ) { while ( dir ) { node = elem; - while ( (node = node[ dir ]) ) { + while ( ( node = node[ dir ] ) ) { if ( ofType ? - node.nodeName.toLowerCase() === name : + nodeName( node, name ) : node.nodeType === 1 ) { return false; } } + // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } @@ -1756,46 +1747,30 @@ Expr = Sizzle.selectors = { if ( forward && useCache ) { // Seek `elem` from a previously-cached index - - // ...in a gzip-friendly way - node = parent; - outerCache = node[ expando ] || (node[ expando ] = {}); - - // Support: IE <9 only - // Defend against cloned attroperties (jQuery gh-1709) - uniqueCache = outerCache[ node.uniqueID ] || - (outerCache[ node.uniqueID ] = {}); - - cache = uniqueCache[ type ] || []; + outerCache = parent[ expando ] || ( parent[ expando ] = {} ); + cache = outerCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex && cache[ 2 ]; node = nodeIndex && parent.childNodes[ nodeIndex ]; - while ( (node = ++nodeIndex && node && node[ dir ] || + while ( ( node = ++nodeIndex && node && node[ dir ] || // Fallback to seeking `elem` from the start - (diff = nodeIndex = 0) || start.pop()) ) { + ( diff = nodeIndex = 0 ) || start.pop() ) ) { // When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { - uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; + outerCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } } } else { + // Use previously-cached element index if available if ( useCache ) { - // ...in a gzip-friendly way - node = elem; - outerCache = node[ expando ] || (node[ expando ] = {}); - - // Support: IE <9 only - // Defend against cloned attroperties (jQuery gh-1709) - uniqueCache = outerCache[ node.uniqueID ] || - (outerCache[ node.uniqueID ] = {}); - - cache = uniqueCache[ type ] || []; + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + cache = outerCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex; } @@ -1803,25 +1778,21 @@ Expr = Sizzle.selectors = { // xml :nth-child(...) // or :nth-last-child(...) or :nth(-last)?-of-type(...) if ( diff === false ) { + // Use the same loop as above to seek `elem` from the start - while ( (node = ++nodeIndex && node && node[ dir ] || - (diff = nodeIndex = 0) || start.pop()) ) { + while ( ( node = ++nodeIndex && node && node[ dir ] || + ( diff = nodeIndex = 0 ) || start.pop() ) ) { if ( ( ofType ? - node.nodeName.toLowerCase() === name : + nodeName( node, name ) : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { - outerCache = node[ expando ] || (node[ expando ] = {}); - - // Support: IE <9 only - // Defend against cloned attroperties (jQuery gh-1709) - uniqueCache = outerCache[ node.uniqueID ] || - (outerCache[ node.uniqueID ] = {}); - - uniqueCache[ type ] = [ dirruns, diff ]; + outerCache = node[ expando ] || + ( node[ expando ] = {} ); + outerCache[ type ] = [ dirruns, diff ]; } if ( node === elem ) { @@ -1839,18 +1810,19 @@ Expr = Sizzle.selectors = { }; }, - "PSEUDO": function( pseudo, argument ) { + PSEUDO: function( pseudo, argument ) { + // pseudo-class names are case-insensitive - // http://www.w3.org/TR/selectors/#pseudo-classes + // https://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || - Sizzle.error( "unsupported pseudo: " + pseudo ); + find.error( "unsupported pseudo: " + pseudo ); // The user may use createPseudo to indicate that // arguments are needed to create the filter function - // just as Sizzle does + // just as jQuery does if ( fn[ expando ] ) { return fn( argument ); } @@ -1859,15 +1831,15 @@ Expr = Sizzle.selectors = { if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? - markFunction(function( seed, matches ) { + markFunction( function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { - idx = indexOf( seed, matched[i] ); - seed[ idx ] = !( matches[ idx ] = matched[i] ); + idx = indexOf.call( seed, matched[ i ] ); + seed[ idx ] = !( matches[ idx ] = matched[ i ] ); } - }) : + } ) : function( elem ) { return fn( elem, 0, args ); }; @@ -1878,49 +1850,53 @@ Expr = Sizzle.selectors = { }, pseudos: { + // Potentially complex pseudos - "not": markFunction(function( selector ) { + not: markFunction( function( selector ) { + // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], - matcher = compile( selector.replace( rtrim, "$1" ) ); + matcher = compile( selector.replace( rtrimCSS, "$1" ) ); return matcher[ expando ] ? - markFunction(function( seed, matches, context, xml ) { + markFunction( function( seed, matches, _context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length; // Match elements unmatched by `matcher` while ( i-- ) { - if ( (elem = unmatched[i]) ) { - seed[i] = !(matches[i] = elem); + if ( ( elem = unmatched[ i ] ) ) { + seed[ i ] = !( matches[ i ] = elem ); } } - }) : - function( elem, context, xml ) { - input[0] = elem; + } ) : + function( elem, _context, xml ) { + input[ 0 ] = elem; matcher( input, null, xml, results ); - // Don't keep the element (issue #299) - input[0] = null; + + // Don't keep the element + // (see https://github.com/jquery/sizzle/issues/299) + input[ 0 ] = null; return !results.pop(); }; - }), + } ), - "has": markFunction(function( selector ) { + has: markFunction( function( selector ) { return function( elem ) { - return Sizzle( selector, elem ).length > 0; + return find( selector, elem ).length > 0; }; - }), + } ), - "contains": markFunction(function( text ) { + contains: markFunction( function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { - return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; + return ( elem.textContent || jQuery.text( elem ) ).indexOf( text ) > -1; }; - }), + } ), // "Whether an element is represented by a :lang() selector // is based solely on the element's language value @@ -1928,62 +1904,65 @@ Expr = Sizzle.selectors = { // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." - // http://www.w3.org/TR/selectors/#lang-pseudo - "lang": markFunction( function( lang ) { + // https://www.w3.org/TR/selectors/#lang-pseudo + lang: markFunction( function( lang ) { + // lang value must be a valid identifier - if ( !ridentifier.test(lang || "") ) { - Sizzle.error( "unsupported lang: " + lang ); + if ( !ridentifier.test( lang || "" ) ) { + find.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { - if ( (elemLang = documentIsHTML ? + if ( ( elemLang = documentIsHTML ? elem.lang : - elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { + elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } - } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); + } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); return false; }; - }), + } ), // Miscellaneous - "target": function( elem ) { + target: function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; }, - "root": function( elem ) { - return elem === docElem; + root: function( elem ) { + return elem === documentElement; }, - "focus": function( elem ) { - return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); + focus: function( elem ) { + return elem === safeActiveElement() && + document.hasFocus() && + !!( elem.type || elem.href || ~elem.tabIndex ); }, // Boolean properties - "enabled": function( elem ) { - return elem.disabled === false; - }, + enabled: createDisabledPseudo( false ), + disabled: createDisabledPseudo( true ), - "disabled": function( elem ) { - return elem.disabled === true; - }, + checked: function( elem ) { - "checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - var nodeName = elem.nodeName.toLowerCase(); - return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); + // https://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + return ( nodeName( elem, "input" ) && !!elem.checked ) || + ( nodeName( elem, "option" ) && !!elem.selected ); }, - "selected": function( elem ) { - // Accessing this property makes selected-by-default - // options in Safari work properly + selected: function( elem ) { + + // Support: IE <=11+ + // Accessing the selectedIndex property + // forces the browser to treat the default option as + // selected when in an optgroup. if ( elem.parentNode ) { + // eslint-disable-next-line no-unused-expressions elem.parentNode.selectedIndex; } @@ -1991,8 +1970,9 @@ Expr = Sizzle.selectors = { }, // Contents - "empty": function( elem ) { - // http://www.w3.org/TR/selectors/#empty-pseudo + empty: function( elem ) { + + // https://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children @@ -2004,82 +1984,92 @@ Expr = Sizzle.selectors = { return true; }, - "parent": function( elem ) { - return !Expr.pseudos["empty"]( elem ); + parent: function( elem ) { + return !Expr.pseudos.empty( elem ); }, // Element/input types - "header": function( elem ) { + header: function( elem ) { return rheader.test( elem.nodeName ); }, - "input": function( elem ) { + input: function( elem ) { return rinputs.test( elem.nodeName ); }, - "button": function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === "button" || name === "button"; + button: function( elem ) { + return nodeName( elem, "input" ) && elem.type === "button" || + nodeName( elem, "button" ); }, - "text": function( elem ) { + text: function( elem ) { var attr; - return elem.nodeName.toLowerCase() === "input" && - elem.type === "text" && + return nodeName( elem, "input" ) && elem.type === "text" && - // Support: IE<8 - // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" - ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); + // Support: IE <10 only + // New HTML5 attribute values (e.g., "search") appear + // with elem.type === "text" + ( ( attr = elem.getAttribute( "type" ) ) == null || + attr.toLowerCase() === "text" ); }, // Position-in-collection - "first": createPositionalPseudo(function() { + first: createPositionalPseudo( function() { return [ 0 ]; - }), + } ), - "last": createPositionalPseudo(function( matchIndexes, length ) { + last: createPositionalPseudo( function( _matchIndexes, length ) { return [ length - 1 ]; - }), + } ), - "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { + eq: createPositionalPseudo( function( _matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; - }), + } ), - "even": createPositionalPseudo(function( matchIndexes, length ) { + even: createPositionalPseudo( function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; - }), + } ), - "odd": createPositionalPseudo(function( matchIndexes, length ) { + odd: createPositionalPseudo( function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; - }), + } ), + + lt: createPositionalPseudo( function( matchIndexes, length, argument ) { + var i; + + if ( argument < 0 ) { + i = argument + length; + } else if ( argument > length ) { + i = length; + } else { + i = argument; + } - "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; - }), + } ), - "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { + gt: createPositionalPseudo( function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; - }) + } ) } }; -Expr.pseudos["nth"] = Expr.pseudos["eq"]; +Expr.pseudos.nth = Expr.pseudos.eq; // Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { @@ -2094,7 +2084,7 @@ function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters(); -tokenize = Sizzle.tokenize = function( selector, parseOnly ) { +function tokenize( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ]; @@ -2110,37 +2100,39 @@ tokenize = Sizzle.tokenize = function( selector, parseOnly ) { while ( soFar ) { // Comma and first run - if ( !matched || (match = rcomma.exec( soFar )) ) { + if ( !matched || ( match = rcomma.exec( soFar ) ) ) { if ( match ) { + // Don't consume trailing commas as valid - soFar = soFar.slice( match[0].length ) || soFar; + soFar = soFar.slice( match[ 0 ].length ) || soFar; } - groups.push( (tokens = []) ); + groups.push( ( tokens = [] ) ); } matched = false; // Combinators - if ( (match = rcombinators.exec( soFar )) ) { + if ( ( match = rleadingCombinator.exec( soFar ) ) ) { matched = match.shift(); - tokens.push({ + tokens.push( { value: matched, + // Cast descendant combinators to space - type: match[0].replace( rtrim, " " ) - }); + type: match[ 0 ].replace( rtrimCSS, " " ) + } ); soFar = soFar.slice( matched.length ); } // Filters for ( type in Expr.filter ) { - if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || - (match = preFilters[ type ]( match ))) ) { + if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || + ( match = preFilters[ type ]( match ) ) ) ) { matched = match.shift(); - tokens.push({ + tokens.push( { value: matched, type: type, matches: match - }); + } ); soFar = soFar.slice( matched.length ); } } @@ -2153,47 +2145,54 @@ tokenize = Sizzle.tokenize = function( selector, parseOnly ) { // Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens - return parseOnly ? - soFar.length : - soFar ? - Sizzle.error( selector ) : - // Cache the tokens - tokenCache( selector, groups ).slice( 0 ); -}; + if ( parseOnly ) { + return soFar.length; + } + + return soFar ? + find.error( selector ) : + + // Cache the tokens + tokenCache( selector, groups ).slice( 0 ); +} function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { - selector += tokens[i].value; + selector += tokens[ i ].value; } return selector; } function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, - checkNonElements = base && dir === "parentNode", + skip = combinator.next, + key = skip || dir, + checkNonElements = base && key === "parentNode", doneName = done++; return combinator.first ? + // Check against closest ancestor/preceding element function( elem, context, xml ) { - while ( (elem = elem[ dir ]) ) { + while ( ( elem = elem[ dir ] ) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } + return false; } : // Check against all ancestor/preceding elements function( elem, context, xml ) { - var oldCache, uniqueCache, outerCache, + var oldCache, outerCache, newCache = [ dirruns, doneName ]; // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching if ( xml ) { - while ( (elem = elem[ dir ]) ) { + while ( ( elem = elem[ dir ] ) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; @@ -2201,31 +2200,31 @@ function addCombinator( matcher, combinator, base ) { } } } else { - while ( (elem = elem[ dir ]) ) { + while ( ( elem = elem[ dir ] ) ) { if ( elem.nodeType === 1 || checkNonElements ) { - outerCache = elem[ expando ] || (elem[ expando ] = {}); + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); - // Support: IE <9 only - // Defend against cloned attroperties (jQuery gh-1709) - uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); - - if ( (oldCache = uniqueCache[ dir ]) && + if ( skip && nodeName( elem, skip ) ) { + elem = elem[ dir ] || elem; + } else if ( ( oldCache = outerCache[ key ] ) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { // Assign to newCache so results back-propagate to previous elements - return (newCache[ 2 ] = oldCache[ 2 ]); + return ( newCache[ 2 ] = oldCache[ 2 ] ); } else { + // Reuse newcache so results back-propagate to previous elements - uniqueCache[ dir ] = newCache; + outerCache[ key ] = newCache; // A match means we're done; a fail means we have to keep checking - if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { + if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { return true; } } } } } + return false; }; } @@ -2234,20 +2233,20 @@ function elementMatcher( matchers ) { function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { - if ( !matchers[i]( elem, context, xml ) ) { + if ( !matchers[ i ]( elem, context, xml ) ) { return false; } } return true; } : - matchers[0]; + matchers[ 0 ]; } function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { - Sizzle( selector, contexts[i], results ); + find( selector, contexts[ i ], results ); } return results; } @@ -2260,7 +2259,7 @@ function condense( unmatched, map, filter, context, xml ) { mapped = map != null; for ( ; i < len; i++ ) { - if ( (elem = unmatched[i]) ) { + if ( ( elem = unmatched[ i ] ) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { @@ -2280,34 +2279,38 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } - return markFunction(function( seed, results, context, xml ) { - var temp, i, elem, + return markFunction( function( seed, results, context, xml ) { + var temp, i, elem, matcherOut, preMap = [], postMap = [], preexisting = results.length, // Get initial elements from seed or context - elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), + elems = seed || + multipleContexts( selector || "*", + context.nodeType ? [ context ] : context, [] ), // Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : - elems, + elems; - matcherOut = matcher ? - // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, - postFinder || ( seed ? preFilter : preexisting || postFilter ) ? - - // ...intermediate processing is necessary - [] : - - // ...otherwise use results directly - results : - matcherIn; - - // Find primary matches if ( matcher ) { + + // If we have a postFinder, or filtered seed, or non-seed postFilter + // or preexisting results, + matcherOut = postFinder || ( seed ? preFilter : preexisting || postFilter ) ? + + // ...intermediate processing is necessary + [] : + + // ...otherwise use results directly + results; + + // Find primary matches matcher( matcherIn, matcherOut, context, xml ); + } else { + matcherOut = matcherIn; } // Apply postFilter @@ -2318,8 +2321,8 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS // Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { - if ( (elem = temp[i]) ) { - matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); + if ( ( elem = temp[ i ] ) ) { + matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); } } } @@ -2327,25 +2330,27 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { + // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { - if ( (elem = matcherOut[i]) ) { + if ( ( elem = matcherOut[ i ] ) ) { + // Restore matcherIn since elem is not yet a final match - temp.push( (matcherIn[i] = elem) ); + temp.push( ( matcherIn[ i ] = elem ) ); } } - postFinder( null, (matcherOut = []), temp, xml ); + postFinder( null, ( matcherOut = [] ), temp, xml ); } // Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { - if ( (elem = matcherOut[i]) && - (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { + if ( ( elem = matcherOut[ i ] ) && + ( temp = postFinder ? indexOf.call( seed, elem ) : preMap[ i ] ) > -1 ) { - seed[temp] = !(results[temp] = elem); + seed[ temp ] = !( results[ temp ] = elem ); } } } @@ -2363,14 +2368,14 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS push.apply( results, matcherOut ); } } - }); + } ); } function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, - leadingRelative = Expr.relative[ tokens[0].type ], - implicitRelative = leadingRelative || Expr.relative[" "], + leadingRelative = Expr.relative[ tokens[ 0 ].type ], + implicitRelative = leadingRelative || Expr.relative[ " " ], i = leadingRelative ? 1 : 0, // The foundational matcher ensures that elements are reachable from top-level context(s) @@ -2378,42 +2383,52 @@ function matcherFromTokens( tokens ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { - return indexOf( checkContext, elem ) > -1; + return indexOf.call( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { - var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( - (checkContext = context).nodeType ? + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + var ret = ( !leadingRelative && ( xml || context != outermostContext ) ) || ( + ( checkContext = context ).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); - // Avoid hanging onto element (issue #299) + + // Avoid hanging onto element + // (see https://github.com/jquery/sizzle/issues/299) checkContext = null; return ret; } ]; for ( ; i < len; i++ ) { - if ( (matcher = Expr.relative[ tokens[i].type ]) ) { - matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; + if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { + matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; } else { - matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); + matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); // Return special upon seeing a positional matcher if ( matcher[ expando ] ) { + // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { - if ( Expr.relative[ tokens[j].type ] ) { + if ( Expr.relative[ tokens[ j ].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( + // If the preceding token was a descendant combinator, insert an implicit any-element `*` - tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) - ).replace( rtrim, "$1" ), + tokens.slice( 0, i - 1 ) + .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) + ).replace( rtrimCSS, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), - j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), + j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), j < len && toSelector( tokens ) ); } @@ -2434,29 +2449,42 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { unmatched = seed && [], setMatched = [], contextBackup = outermostContext, + // We must always have either seed elements or outermost context - elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), + elems = seed || byElement && Expr.find.TAG( "*", outermost ), + // Use integer dirruns iff this is the outermost matcher - dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), + dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), len = elems.length; if ( outermost ) { - outermostContext = context === document || context || outermost; + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + outermostContext = context == document || context || outermost; } // Add elements passing elementMatchers directly to results - // Support: IE<9, Safari - // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id - for ( ; i !== len && (elem = elems[i]) != null; i++ ) { + // Support: iOS <=7 - 9 only + // Tolerate NodeList properties (IE: "length"; Safari: ) matching + // elements by id. (see trac-14142) + for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { if ( byElement && elem ) { j = 0; - if ( !context && elem.ownerDocument !== document ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( !context && elem.ownerDocument != document ) { setDocument( elem ); xml = !documentIsHTML; } - while ( (matcher = elementMatchers[j++]) ) { - if ( matcher( elem, context || document, xml) ) { - results.push( elem ); + while ( ( matcher = elementMatchers[ j++ ] ) ) { + if ( matcher( elem, context || document, xml ) ) { + push.call( results, elem ); break; } } @@ -2467,8 +2495,9 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { // Track unmatched elements for set filters if ( bySet ) { + // They will have gone through all possible matchers - if ( (elem = !matcher && elem) ) { + if ( ( elem = !matcher && elem ) ) { matchedCount--; } @@ -2492,16 +2521,17 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { // numerically zero. if ( bySet && i !== matchedCount ) { j = 0; - while ( (matcher = setMatchers[j++]) ) { + while ( ( matcher = setMatchers[ j++ ] ) ) { matcher( unmatched, setMatched, context, xml ); } if ( seed ) { + // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { - if ( !(unmatched[i] || setMatched[i]) ) { - setMatched[i] = pop.call( results ); + if ( !( unmatched[ i ] || setMatched[ i ] ) ) { + setMatched[ i ] = pop.call( results ); } } } @@ -2517,7 +2547,7 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) { - Sizzle.uniqueSort( results ); + jQuery.uniqueSort( results ); } } @@ -2535,20 +2565,21 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { superMatcher; } -compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { +function compile( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ]; if ( !cached ) { + // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { - cached = matcherFromTokens( match[i] ); + cached = matcherFromTokens( match[ i ] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { @@ -2557,27 +2588,28 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { } // Cache the compiled function - cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); + cached = compilerCache( selector, + matcherFromGroupMatchers( elementMatchers, setMatchers ) ); // Save selector and tokenization cached.selector = selector; } return cached; -}; +} /** - * A low-level selection function that works with Sizzle's compiled + * A low-level selection function that works with jQuery's compiled * selector functions * @param {String|Function} selector A selector or a pre-compiled - * selector function built with Sizzle.compile + * selector function built with jQuery selector compile * @param {Element} context * @param {Array} [results] * @param {Array} [seed] A set of elements to match against */ -select = Sizzle.select = function( selector, context, results, seed ) { +function select( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, - match = !seed && tokenize( (selector = compiled.selector || selector) ); + match = !seed && tokenize( ( selector = compiled.selector || selector ) ); results = results || []; @@ -2586,12 +2618,14 @@ select = Sizzle.select = function( selector, context, results, seed ) { if ( match.length === 1 ) { // Reduce context if the leading compound selector is an ID - tokens = match[0] = match[0].slice( 0 ); - if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && - support.getById && context.nodeType === 9 && documentIsHTML && - Expr.relative[ tokens[1].type ] ) { + tokens = match[ 0 ] = match[ 0 ].slice( 0 ); + if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && + context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { - context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; + context = ( Expr.find.ID( + token.matches[ 0 ].replace( runescape, funescape ), + context + ) || [] )[ 0 ]; if ( !context ) { return results; @@ -2604,20 +2638,22 @@ select = Sizzle.select = function( selector, context, results, seed ) { } // Fetch a seed set for right-to-left matching - i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; + i = matchExpr.needsContext.test( selector ) ? 0 : tokens.length; while ( i-- ) { - token = tokens[i]; + token = tokens[ i ]; // Abort if we hit a combinator - if ( Expr.relative[ (type = token.type) ] ) { + if ( Expr.relative[ ( type = token.type ) ] ) { break; } - if ( (find = Expr.find[ type ]) ) { + if ( ( find = Expr.find[ type ] ) ) { + // Search, expanding context for leading sibling combinators - if ( (seed = find( - token.matches[0].replace( runescape, funescape ), - rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context - )) ) { + if ( ( seed = find( + token.matches[ 0 ].replace( runescape, funescape ), + rsibling.test( tokens[ 0 ].type ) && + testContext( context.parentNode ) || context + ) ) ) { // If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); @@ -2643,85 +2679,48 @@ select = Sizzle.select = function( selector, context, results, seed ) { !context || rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; -}; +} // One-time assignments +// Support: Android <=4.0 - 4.1+ // Sort stability -support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; - -// Support: Chrome 14-35+ -// Always assume duplicates if they aren't passed to the comparison function -support.detectDuplicates = !!hasDuplicate; +support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; // Initialize against the default document setDocument(); -// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) +// Support: Android <=4.0 - 4.1+ // Detached nodes confoundingly follow *each other* -support.sortDetached = assert(function( div1 ) { +support.sortDetached = assert( function( el ) { + // Should return 1, but returns 4 (following) - return div1.compareDocumentPosition( document.createElement("div") ) & 1; -}); + return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; +} ); -// Support: IE<8 -// Prevent attribute/property "interpolation" -// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx -if ( !assert(function( div ) { - div.innerHTML = ""; - return div.firstChild.getAttribute("href") === "#" ; -}) ) { - addHandle( "type|href|height|width", function( elem, name, isXML ) { - if ( !isXML ) { - return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); - } - }); -} +jQuery.find = find; -// Support: IE<9 -// Use defaultValue in place of getAttribute("value") -if ( !support.attributes || !assert(function( div ) { - div.innerHTML = ""; - div.firstChild.setAttribute( "value", "" ); - return div.firstChild.getAttribute( "value" ) === ""; -}) ) { - addHandle( "value", function( elem, name, isXML ) { - if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { - return elem.defaultValue; - } - }); -} - -// Support: IE<9 -// Use getAttributeNode to fetch booleans when getAttribute lies -if ( !assert(function( div ) { - return div.getAttribute("disabled") == null; -}) ) { - addHandle( booleans, function( elem, name, isXML ) { - var val; - if ( !isXML ) { - return elem[ name ] === true ? name.toLowerCase() : - (val = elem.getAttributeNode( name )) && val.specified ? - val.value : - null; - } - }); -} - -return Sizzle; - -})( window ); - - - -jQuery.find = Sizzle; -jQuery.expr = Sizzle.selectors; +// Deprecated jQuery.expr[ ":" ] = jQuery.expr.pseudos; -jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; -jQuery.text = Sizzle.getText; -jQuery.isXMLDoc = Sizzle.isXML; -jQuery.contains = Sizzle.contains; +jQuery.unique = jQuery.uniqueSort; +// These have always been private, but they used to be documented as part of +// Sizzle so let's maintain them for now for backwards compatibility purposes. +find.compile = compile; +find.select = select; +find.setDocument = setDocument; +find.tokenize = tokenize; + +find.escape = jQuery.escapeSelector; +find.getText = jQuery.text; +find.isXML = jQuery.isXMLDoc; +find.selectors = jQuery.expr; +find.support = jQuery.support; +find.uniqueSort = jQuery.uniqueSort; + + /* eslint-enable */ + +} )(); var dir = function( elem, dir, until ) { @@ -2755,40 +2754,34 @@ var siblings = function( n, elem ) { var rneedsContext = jQuery.expr.match.needsContext; -var rsingleTag = ( /^<([\w-]+)\s*\/?>(?:<\/\1>|)$/ ); +var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); -var risSimple = /^.[^:#\[\.,]*$/; - // Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { - if ( jQuery.isFunction( qualifier ) ) { + if ( isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { - /* jshint -W018 */ return !!qualifier.call( elem, i, elem ) !== not; } ); - } + // Single element if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; } ); - } - if ( typeof qualifier === "string" ) { - if ( risSimple.test( qualifier ) ) { - return jQuery.filter( qualifier, elements, not ); - } - - qualifier = jQuery.filter( qualifier, elements ); + // Arraylike of elements (jQuery, arguments, Array) + if ( typeof qualifier !== "string" ) { + return jQuery.grep( elements, function( elem ) { + return ( indexOf.call( qualifier, elem ) > -1 ) !== not; + } ); } - return jQuery.grep( elements, function( elem ) { - return ( jQuery.inArray( elem, qualifier ) > -1 ) !== not; - } ); + // Filtered directly for both simple and complex selectors + return jQuery.filter( qualifier, elements, not ); } jQuery.filter = function( expr, elems, not ) { @@ -2798,19 +2791,20 @@ jQuery.filter = function( expr, elems, not ) { expr = ":not(" + expr + ")"; } - return elems.length === 1 && elem.nodeType === 1 ? - jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : - jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { - return elem.nodeType === 1; - } ) ); + if ( elems.length === 1 && elem.nodeType === 1 ) { + return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; + } + + return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { + return elem.nodeType === 1; + } ) ); }; jQuery.fn.extend( { find: function( selector ) { - var i, - ret = [], - self = this, - len = self.length; + var i, ret, + len = this.length, + self = this; if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter( function() { @@ -2822,14 +2816,13 @@ jQuery.fn.extend( { } ) ); } + ret = this.pushStack( [] ); + for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); } - // Needed because $( selector, context ) becomes $( context ).find( selector ) - ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); - ret.selector = this.selector ? this.selector + " " + selector : selector; - return ret; + return len > 1 ? jQuery.uniqueSort( ret ) : ret; }, filter: function( selector ) { return this.pushStack( winnow( this, selector || [], false ) ); @@ -2859,9 +2852,10 @@ jQuery.fn.extend( { var rootjQuery, // A simple way to check for HTML strings - // Prioritize #id over to avoid XSS via location.hash (#9521) - // Strict HTML recognition (#11290: must start with <) - rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, + // Prioritize #id over to avoid XSS via location.hash (trac-9521) + // Strict HTML recognition (trac-11290: must start with <) + // Shortcut simple #id case for speed + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, init = jQuery.fn.init = function( selector, context, root ) { var match, elem; @@ -2871,14 +2865,14 @@ var rootjQuery, return this; } - // init accepts an alternate rootjQuery + // Method init() accepts an alternate rootjQuery // so migrate can support jQuery.sub (gh-2101) root = root || rootjQuery; // Handle HTML strings if ( typeof selector === "string" ) { - if ( selector.charAt( 0 ) === "<" && - selector.charAt( selector.length - 1 ) === ">" && + if ( selector[ 0 ] === "<" && + selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check @@ -2895,7 +2889,7 @@ var rootjQuery, if ( match[ 1 ] ) { context = context instanceof jQuery ? context[ 0 ] : context; - // scripts is true for back-compat + // Option to run scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[ 1 ], @@ -2908,7 +2902,7 @@ var rootjQuery, for ( match in context ) { // Properties of context are called as methods if possible - if ( jQuery.isFunction( this[ match ] ) ) { + if ( isFunction( this[ match ] ) ) { this[ match ]( context[ match ] ); // ...and otherwise set as attributes @@ -2924,23 +2918,12 @@ var rootjQuery, } else { elem = document.getElementById( match[ 2 ] ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - if ( elem && elem.parentNode ) { + if ( elem ) { - // Handle the case where IE and Opera return items - // by name instead of ID - if ( elem.id !== match[ 2 ] ) { - return rootjQuery.find( selector ); - } - - // Otherwise, we inject the element directly into the jQuery object - this.length = 1; + // Inject the element directly into the jQuery object this[ 0 ] = elem; + this.length = 1; } - - this.context = document; - this.selector = selector; return this; } @@ -2956,25 +2939,20 @@ var rootjQuery, // HANDLE: $(DOMElement) } else if ( selector.nodeType ) { - this.context = this[ 0 ] = selector; + this[ 0 ] = selector; this.length = 1; return this; // HANDLE: $(function) // Shortcut for document ready - } else if ( jQuery.isFunction( selector ) ) { - return typeof root.ready !== "undefined" ? + } else if ( isFunction( selector ) ) { + return root.ready !== undefined ? root.ready( selector ) : // Execute immediately if ready is not present selector( jQuery ); } - if ( selector.selector !== undefined ) { - this.selector = selector.selector; - this.context = selector.context; - } - return jQuery.makeArray( selector, this ); }; @@ -2987,7 +2965,7 @@ rootjQuery = jQuery( document ); var rparentsprev = /^(?:parents|prev(?:Until|All))/, - // methods guaranteed to produce a unique set when starting from a unique set + // Methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, @@ -2997,12 +2975,12 @@ var rparentsprev = /^(?:parents|prev(?:Until|All))/, jQuery.fn.extend( { has: function( target ) { - var i, - targets = jQuery( target, this ), - len = targets.length; + var targets = jQuery( target, this ), + l = targets.length; return this.filter( function() { - for ( i = 0; i < len; i++ ) { + var i = 0; + for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[ i ] ) ) { return true; } @@ -3015,23 +2993,24 @@ jQuery.fn.extend( { i = 0, l = this.length, matched = [], - pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? - jQuery( selectors, context || this.context ) : - 0; + targets = typeof selectors !== "string" && jQuery( selectors ); - for ( ; i < l; i++ ) { - for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { + // Positional selectors never match, since there's no _selection_ context + if ( !rneedsContext.test( selectors ) ) { + for ( ; i < l; i++ ) { + for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { - // Always skip document fragments - if ( cur.nodeType < 11 && ( pos ? - pos.index( cur ) > -1 : + // Always skip document fragments + if ( cur.nodeType < 11 && ( targets ? + targets.index( cur ) > -1 : - // Don't pass non-elements to Sizzle - cur.nodeType === 1 && - jQuery.find.matchesSelector( cur, selectors ) ) ) { + // Don't pass non-elements to jQuery#find + cur.nodeType === 1 && + jQuery.find.matchesSelector( cur, selectors ) ) ) { - matched.push( cur ); - break; + matched.push( cur ); + break; + } } } } @@ -3039,8 +3018,7 @@ jQuery.fn.extend( { return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); }, - // Determine the position of an element within - // the matched set of elements + // Determine the position of an element within the set index: function( elem ) { // No argument, return index in parent @@ -3048,16 +3026,17 @@ jQuery.fn.extend( { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; } - // index in selector + // Index in selector if ( typeof elem === "string" ) { - return jQuery.inArray( this[ 0 ], jQuery( elem ) ); + return indexOf.call( jQuery( elem ), this[ 0 ] ); } // Locate the position of the desired element - return jQuery.inArray( + return indexOf.call( this, // If it receives a jQuery object, the first element is used - elem.jquery ? elem[ 0 ] : elem, this ); + elem.jquery ? elem[ 0 ] : elem + ); }, add: function( selector, context ) { @@ -3076,10 +3055,7 @@ jQuery.fn.extend( { } ); function sibling( cur, dir ) { - do { - cur = cur[ dir ]; - } while ( cur && cur.nodeType !== 1 ); - + while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} return cur; } @@ -3091,7 +3067,7 @@ jQuery.each( { parents: function( elem ) { return dir( elem, "parentNode" ); }, - parentsUntil: function( elem, i, until ) { + parentsUntil: function( elem, _i, until ) { return dir( elem, "parentNode", until ); }, next: function( elem ) { @@ -3106,10 +3082,10 @@ jQuery.each( { prevAll: function( elem ) { return dir( elem, "previousSibling" ); }, - nextUntil: function( elem, i, until ) { + nextUntil: function( elem, _i, until ) { return dir( elem, "nextSibling", until ); }, - prevUntil: function( elem, i, until ) { + prevUntil: function( elem, _i, until ) { return dir( elem, "previousSibling", until ); }, siblings: function( elem ) { @@ -3119,46 +3095,61 @@ jQuery.each( { return siblings( elem.firstChild ); }, contents: function( elem ) { - return jQuery.nodeName( elem, "iframe" ) ? - elem.contentDocument || elem.contentWindow.document : - jQuery.merge( [], elem.childNodes ); + if ( elem.contentDocument != null && + + // Support: IE 11+ + // elements with no `data` attribute has an object + // `contentDocument` with a `null` prototype. + getProto( elem.contentDocument ) ) { + + return elem.contentDocument; + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if ( nodeName( elem, "template" ) ) { + elem = elem.content || elem; + } + + return jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { - var ret = jQuery.map( this, fn, until ); + var matched = jQuery.map( this, fn, until ); if ( name.slice( -5 ) !== "Until" ) { selector = until; } if ( selector && typeof selector === "string" ) { - ret = jQuery.filter( selector, ret ); + matched = jQuery.filter( selector, matched ); } if ( this.length > 1 ) { // Remove duplicates if ( !guaranteedUnique[ name ] ) { - ret = jQuery.uniqueSort( ret ); + jQuery.uniqueSort( matched ); } // Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { - ret = ret.reverse(); + matched.reverse(); } } - return this.pushStack( ret ); + return this.pushStack( matched ); }; } ); -var rnotwhite = ( /\S+/g ); +var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); // Convert String-formatted options into Object-formatted ones function createOptions( options ) { var object = {}; - jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { + jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { object[ flag ] = true; } ); return object; @@ -3219,7 +3210,7 @@ jQuery.Callbacks = function( options ) { fire = function() { // Enforce single-firing - locked = options.once; + locked = locked || options.once; // Execute callbacks for all pending executions, // respecting firingIndex overrides and runtime changes @@ -3275,11 +3266,11 @@ jQuery.Callbacks = function( options ) { ( function add( args ) { jQuery.each( args, function( _, arg ) { - if ( jQuery.isFunction( arg ) ) { + if ( isFunction( arg ) ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } - } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) { + } else if ( arg && arg.length && toType( arg ) !== "string" ) { // Inspect recursively add( arg ); @@ -3342,9 +3333,9 @@ jQuery.Callbacks = function( options ) { // Also disable .add unless we have memory (since it would have no effect) // Abort any pending executions lock: function() { - locked = true; - if ( !memory ) { - self.disable(); + locked = queue = []; + if ( !memory && !firing ) { + list = memory = ""; } return this; }, @@ -3381,15 +3372,59 @@ jQuery.Callbacks = function( options ) { }; +function Identity( v ) { + return v; +} +function Thrower( ex ) { + throw ex; +} + +function adoptValue( value, resolve, reject, noValue ) { + var method; + + try { + + // Check for promise aspect first to privilege synchronous behavior + if ( value && isFunction( ( method = value.promise ) ) ) { + method.call( value ).done( resolve ).fail( reject ); + + // Other thenables + } else if ( value && isFunction( ( method = value.then ) ) ) { + method.call( value, resolve, reject ); + + // Other non-thenables + } else { + + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply( undefined, [ value ].slice( noValue ) ); + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch ( value ) { + + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply( undefined, [ value ] ); + } +} + jQuery.extend( { Deferred: function( func ) { var tuples = [ - // action, add listener, listener list, final state - [ "resolve", "done", jQuery.Callbacks( "once memory" ), "resolved" ], - [ "reject", "fail", jQuery.Callbacks( "once memory" ), "rejected" ], - [ "notify", "progress", jQuery.Callbacks( "memory" ) ] + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + [ "notify", "progress", jQuery.Callbacks( "memory" ), + jQuery.Callbacks( "memory" ), 2 ], + [ "resolve", "done", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 0, "resolved" ], + [ "reject", "fail", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 1, "rejected" ] ], state = "pending", promise = { @@ -3400,23 +3435,33 @@ jQuery.extend( { deferred.done( arguments ).fail( arguments ); return this; }, - then: function( /* fnDone, fnFail, fnProgress */ ) { - var fns = arguments; - return jQuery.Deferred( function( newDefer ) { - jQuery.each( tuples, function( i, tuple ) { - var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; + "catch": function( fn ) { + return promise.then( null, fn ); + }, - // deferred[ done | fail | progress ] for forwarding actions to newDefer + // Keep pipe for back-compat + pipe: function( /* fnDone, fnFail, fnProgress */ ) { + var fns = arguments; + + return jQuery.Deferred( function( newDefer ) { + jQuery.each( tuples, function( _i, tuple ) { + + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) deferred[ tuple[ 1 ] ]( function() { var returned = fn && fn.apply( this, arguments ); - if ( returned && jQuery.isFunction( returned.promise ) ) { + if ( returned && isFunction( returned.promise ) ) { returned.promise() .progress( newDefer.notify ) .done( newDefer.resolve ) .fail( newDefer.reject ); } else { newDefer[ tuple[ 0 ] + "With" ]( - this === promise ? newDefer.promise() : this, + this, fn ? [ returned ] : arguments ); } @@ -3425,6 +3470,177 @@ jQuery.extend( { fns = null; } ).promise(); }, + then: function( onFulfilled, onRejected, onProgress ) { + var maxDepth = 0; + function resolve( depth, deferred, handler, special ) { + return function() { + var that = this, + args = arguments, + mightThrow = function() { + var returned, then; + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if ( depth < maxDepth ) { + return; + } + + returned = handler.apply( that, args ); + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if ( returned === deferred.promise() ) { + throw new TypeError( "Thenable self-resolution" ); + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + ( typeof returned === "object" || + typeof returned === "function" ) && + returned.then; + + // Handle a returned thenable + if ( isFunction( then ) ) { + + // Special processors (notify) just wait for resolution + if ( special ) { + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ) + ); + + // Normal processors (resolve) also hook into progress + } else { + + // ...and disregard older resolution values + maxDepth++; + + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ), + resolve( maxDepth, deferred, Identity, + deferred.notifyWith ) + ); + } + + // Handle all other returned values + } else { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Identity ) { + that = undefined; + args = [ returned ]; + } + + // Process the value(s) + // Default process is resolve + ( special || deferred.resolveWith )( that, args ); + } + }, + + // Only normal processors (resolve) catch and reject exceptions + process = special ? + mightThrow : + function() { + try { + mightThrow(); + } catch ( e ) { + + if ( jQuery.Deferred.exceptionHook ) { + jQuery.Deferred.exceptionHook( e, + process.error ); + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if ( depth + 1 >= maxDepth ) { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Thrower ) { + that = undefined; + args = [ e ]; + } + + deferred.rejectWith( that, args ); + } + } + }; + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if ( depth ) { + process(); + } else { + + // Call an optional hook to record the error, in case of exception + // since it's otherwise lost when execution goes async + if ( jQuery.Deferred.getErrorHook ) { + process.error = jQuery.Deferred.getErrorHook(); + + // The deprecated alias of the above. While the name suggests + // returning the stack, not an error instance, jQuery just passes + // it directly to `console.warn` so both will work; an instance + // just better cooperates with source maps. + } else if ( jQuery.Deferred.getStackHook ) { + process.error = jQuery.Deferred.getStackHook(); + } + window.setTimeout( process ); + } + }; + } + + return jQuery.Deferred( function( newDefer ) { + + // progress_handlers.add( ... ) + tuples[ 0 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onProgress ) ? + onProgress : + Identity, + newDefer.notifyWith + ) + ); + + // fulfilled_handlers.add( ... ) + tuples[ 1 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onFulfilled ) ? + onFulfilled : + Identity + ) + ); + + // rejected_handlers.add( ... ) + tuples[ 2 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onRejected ) ? + onRejected : + Thrower + ) + ); + } ).promise(); + }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object @@ -3434,33 +3650,58 @@ jQuery.extend( { }, deferred = {}; - // Keep pipe for back-compat - promise.pipe = promise.then; - // Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], - stateString = tuple[ 3 ]; + stateString = tuple[ 5 ]; - // promise[ done | fail | progress ] = list.add + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add promise[ tuple[ 1 ] ] = list.add; // Handle state if ( stateString ) { - list.add( function() { + list.add( + function() { - // state = [ resolved | rejected ] - state = stateString; + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString; + }, - // [ reject_list | resolve_list ].disable; progress_list.lock - }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[ 3 - i ][ 2 ].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[ 3 - i ][ 3 ].disable, + + // progress_callbacks.lock + tuples[ 0 ][ 2 ].lock, + + // progress_handlers.lock + tuples[ 0 ][ 3 ].lock + ); } - // deferred[ resolve | reject | notify ] + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add( tuple[ 3 ].fire ); + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } deferred[ tuple[ 0 ] ] = function() { - deferred[ tuple[ 0 ] + "With" ]( this === deferred ? promise : this, arguments ); + deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); return this; }; + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith deferred[ tuple[ 0 ] + "With" ] = list.fireWith; } ); @@ -3477,69 +3718,99 @@ jQuery.extend( { }, // Deferred helper - when: function( subordinate /* , ..., subordinateN */ ) { - var i = 0, + when: function( singleValue ) { + var + + // count of uncompleted subordinates + remaining = arguments.length, + + // count of unprocessed arguments + i = remaining, + + // subordinate fulfillment data + resolveContexts = Array( i ), resolveValues = slice.call( arguments ), - length = resolveValues.length, - // the count of uncompleted subordinates - remaining = length !== 1 || - ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, + // the primary Deferred + primary = jQuery.Deferred(), - // the master Deferred. - // If resolveValues consist of only a single Deferred, just use that. - deferred = remaining === 1 ? subordinate : jQuery.Deferred(), - - // Update function for both resolve and progress values - updateFunc = function( i, contexts, values ) { + // subordinate callback factory + updateFunc = function( i ) { return function( value ) { - contexts[ i ] = this; - values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; - if ( values === progressValues ) { - deferred.notifyWith( contexts, values ); - - } else if ( !( --remaining ) ) { - deferred.resolveWith( contexts, values ); + resolveContexts[ i ] = this; + resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( !( --remaining ) ) { + primary.resolveWith( resolveContexts, resolveValues ); } }; - }, + }; - progressValues, progressContexts, resolveContexts; + // Single- and empty arguments are adopted like Promise.resolve + if ( remaining <= 1 ) { + adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject, + !remaining ); - // add listeners to Deferred subordinates; treat others as resolved - if ( length > 1 ) { - progressValues = new Array( length ); - progressContexts = new Array( length ); - resolveContexts = new Array( length ); - for ( ; i < length; i++ ) { - if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { - resolveValues[ i ].promise() - .progress( updateFunc( i, progressContexts, progressValues ) ) - .done( updateFunc( i, resolveContexts, resolveValues ) ) - .fail( deferred.reject ); - } else { - --remaining; - } + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if ( primary.state() === "pending" || + isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { + + return primary.then(); } } - // if we're not waiting on anything, resolve the master - if ( !remaining ) { - deferred.resolveWith( resolveContexts, resolveValues ); + // Multiple arguments are aggregated like Promise.all array elements + while ( i-- ) { + adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject ); } - return deferred.promise(); + return primary.promise(); } } ); +// These usually indicate a programmer mistake during development, +// warn about them ASAP rather than swallowing them by default. +var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; + +// If `jQuery.Deferred.getErrorHook` is defined, `asyncError` is an error +// captured before the async barrier to get the original error cause +// which may otherwise be hidden. +jQuery.Deferred.exceptionHook = function( error, asyncError ) { + + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { + window.console.warn( "jQuery.Deferred exception: " + error.message, + error.stack, asyncError ); + } +}; + + + + +jQuery.readyException = function( error ) { + window.setTimeout( function() { + throw error; + } ); +}; + + + + // The deferred used on DOM ready -var readyList; +var readyList = jQuery.Deferred(); jQuery.fn.ready = function( fn ) { - // Add the callback - jQuery.ready.promise().done( fn ); + readyList + .then( fn ) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch( function( error ) { + jQuery.readyException( error ); + } ); return this; }; @@ -3550,18 +3821,9 @@ jQuery.extend( { isReady: false, // A counter to track how many items to wait for before - // the ready event fires. See #6781 + // the ready event fires. See trac-6781 readyWait: 1, - // Hold (or release) the ready event - holdReady: function( hold ) { - if ( hold ) { - jQuery.readyWait++; - } else { - jQuery.ready( true ); - } - }, - // Handle when the DOM is ready ready: function( wait ) { @@ -3580,468 +3842,369 @@ jQuery.extend( { // If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] ); - - // Trigger any bound ready events - if ( jQuery.fn.triggerHandler ) { - jQuery( document ).triggerHandler( "ready" ); - jQuery( document ).off( "ready" ); - } } } ); -/** - * Clean-up method for dom ready events - */ -function detach() { - if ( document.addEventListener ) { - document.removeEventListener( "DOMContentLoaded", completed ); - window.removeEventListener( "load", completed ); +jQuery.ready.then = readyList.then; - } else { - document.detachEvent( "onreadystatechange", completed ); - window.detachEvent( "onload", completed ); - } -} - -/** - * The ready event handler and self cleanup method - */ +// The ready event handler and self cleanup method function completed() { - - // readyState === "complete" is good enough for us to call the dom ready in oldIE - if ( document.addEventListener || - window.event.type === "load" || - document.readyState === "complete" ) { - - detach(); - jQuery.ready(); - } + document.removeEventListener( "DOMContentLoaded", completed ); + window.removeEventListener( "load", completed ); + jQuery.ready(); } -jQuery.ready.promise = function( obj ) { - if ( !readyList ) { +// Catch cases where $(document).ready() is called +// after the browser event has already occurred. +// Support: IE <=9 - 10 only +// Older IE sometimes signals "interactive" too soon +if ( document.readyState === "complete" || + ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { - readyList = jQuery.Deferred(); + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout( jQuery.ready ); - // Catch cases where $(document).ready() is called - // after the browser event has already occurred. - // Support: IE6-10 - // Older IE sometimes signals "interactive" too soon - if ( document.readyState === "complete" || - ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { +} else { - // Handle it asynchronously to allow scripts the opportunity to delay ready - window.setTimeout( jQuery.ready ); + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed ); - // Standards-based browsers support DOMContentLoaded - } else if ( document.addEventListener ) { + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed ); +} - // Use the handy event callback - document.addEventListener( "DOMContentLoaded", completed ); - // A fallback to window.onload, that will always work - window.addEventListener( "load", completed ); - // If IE event model is used - } else { - // Ensure firing before onload, maybe late but safe also for iframes - document.attachEvent( "onreadystatechange", completed ); +// Multifunctional method to get and set values of a collection +// The value/s can optionally be executed if it's a function +var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { + var i = 0, + len = elems.length, + bulk = key == null; - // A fallback to window.onload, that will always work - window.attachEvent( "onload", completed ); + // Sets many values + if ( toType( key ) === "object" ) { + chainable = true; + for ( i in key ) { + access( elems, fn, i, key[ i ], true, emptyGet, raw ); + } - // If IE and not a frame - // continually check to see if the document is ready - var top = false; + // Sets one value + } else if ( value !== undefined ) { + chainable = true; - try { - top = window.frameElement == null && document.documentElement; - } catch ( e ) {} + if ( !isFunction( value ) ) { + raw = true; + } - if ( top && top.doScroll ) { - ( function doScrollCheck() { - if ( !jQuery.isReady ) { + if ( bulk ) { - try { + // Bulk operations run against the entire set + if ( raw ) { + fn.call( elems, value ); + fn = null; - // Use the trick by Diego Perini - // http://javascript.nwbox.com/IEContentLoaded/ - top.doScroll( "left" ); - } catch ( e ) { - return window.setTimeout( doScrollCheck, 50 ); - } + // ...except when executing function values + } else { + bulk = fn; + fn = function( elem, _key, value ) { + return bulk.call( jQuery( elem ), value ); + }; + } + } - // detach all dom ready events - detach(); - - // and execute any waiting functions - jQuery.ready(); - } - } )(); + if ( fn ) { + for ( ; i < len; i++ ) { + fn( + elems[ i ], key, raw ? + value : + value.call( elems[ i ], i, fn( elems[ i ], key ) ) + ); } } } - return readyList.promise( obj ); + + if ( chainable ) { + return elems; + } + + // Gets + if ( bulk ) { + return fn.call( elems ); + } + + return len ? fn( elems[ 0 ], key ) : emptyGet; }; -// Kick off the DOM ready check even if the user does not -jQuery.ready.promise(); +// Matches dashed string for camelizing +var rmsPrefix = /^-ms-/, + rdashAlpha = /-([a-z])/g; - - -// Support: IE<9 -// Iteration over object's inherited properties before its own -var i; -for ( i in jQuery( support ) ) { - break; +// Used by camelCase as callback to replace() +function fcamelCase( _all, letter ) { + return letter.toUpperCase(); } -support.ownFirst = i === "0"; -// Note: most support tests are defined in their respective modules. -// false until the test is run -support.inlineBlockNeedsLayout = false; +// Convert dashed to camelCase; used by the css and data modules +// Support: IE <=9 - 11, Edge 12 - 15 +// Microsoft forgot to hump their vendor prefix (trac-9572) +function camelCase( string ) { + return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); +} +var acceptData = function( owner ) { -// Execute ASAP in case we need to set body.style.zoom -jQuery( function() { - - // Minified: var a,b,c,d - var val, div, body, container; - - body = document.getElementsByTagName( "body" )[ 0 ]; - if ( !body || !body.style ) { - - // Return for frameset docs that don't have a body - return; - } - - // Setup - div = document.createElement( "div" ); - container = document.createElement( "div" ); - container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; - body.appendChild( container ).appendChild( div ); - - if ( typeof div.style.zoom !== "undefined" ) { - - // Support: IE<8 - // Check if natively block-level elements act like inline-block - // elements when setting their display to 'inline' and giving - // them layout - div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1"; - - support.inlineBlockNeedsLayout = val = div.offsetWidth === 3; - if ( val ) { - - // Prevent IE 6 from affecting layout for positioned elements #11048 - // Prevent IE from shrinking the body in IE 7 mode #12869 - // Support: IE<8 - body.style.zoom = 1; - } - } - - body.removeChild( container ); -} ); - - -( function() { - var div = document.createElement( "div" ); - - // Support: IE<9 - support.deleteExpando = true; - try { - delete div.test; - } catch ( e ) { - support.deleteExpando = false; - } - - // Null elements to avoid leaks in IE. - div = null; -} )(); -var acceptData = function( elem ) { - var noData = jQuery.noData[ ( elem.nodeName + " " ).toLowerCase() ], - nodeType = +elem.nodeType || 1; - - // Do not set data on non-element DOM nodes because it will not be cleared (#8335). - return nodeType !== 1 && nodeType !== 9 ? - false : - - // Nodes accept data unless otherwise specified; rejection can be conditional - !noData || noData !== true && elem.getAttribute( "classid" ) === noData; + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); }; +function Data() { + this.expando = jQuery.expando + Data.uid++; +} + +Data.uid = 1; + +Data.prototype = { + + cache: function( owner ) { + + // Check if the owner object already has a cache + var value = owner[ this.expando ]; + + // If not, create one + if ( !value ) { + value = {}; + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see trac-8335. + // Always return an empty object. + if ( acceptData( owner ) ) { + + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = value; + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty( owner, this.expando, { + value: value, + configurable: true + } ); + } + } + } + + return value; + }, + set: function( owner, data, value ) { + var prop, + cache = this.cache( owner ); + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if ( typeof data === "string" ) { + cache[ camelCase( data ) ] = value; + + // Handle: [ owner, { properties } ] args + } else { + + // Copy the properties one-by-one to the cache object + for ( prop in data ) { + cache[ camelCase( prop ) ] = data[ prop ]; + } + } + return cache; + }, + get: function( owner, key ) { + return key === undefined ? + this.cache( owner ) : + + // Always use camelCase key (gh-2257) + owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; + }, + access: function( owner, key, value ) { + + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if ( key === undefined || + ( ( key && typeof key === "string" ) && value === undefined ) ) { + + return this.get( owner, key ); + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set( owner, key, value ); + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key; + }, + remove: function( owner, key ) { + var i, + cache = owner[ this.expando ]; + + if ( cache === undefined ) { + return; + } + + if ( key !== undefined ) { + + // Support array or space separated string of keys + if ( Array.isArray( key ) ) { + + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map( camelCase ); + } else { + key = camelCase( key ); + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache ? + [ key ] : + ( key.match( rnothtmlwhite ) || [] ); + } + + i = key.length; + + while ( i-- ) { + delete cache[ key[ i ] ]; + } + } + + // Remove the expando if there's no more data + if ( key === undefined || jQuery.isEmptyObject( cache ) ) { + + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if ( owner.nodeType ) { + owner[ this.expando ] = undefined; + } else { + delete owner[ this.expando ]; + } + } + }, + hasData: function( owner ) { + var cache = owner[ this.expando ]; + return cache !== undefined && !jQuery.isEmptyObject( cache ); + } +}; +var dataPriv = new Data(); + +var dataUser = new Data(); + + + +// Implementation Summary +// +// 1. Enforce API surface and semantic compatibility with 1.9.x branch +// 2. Improve the module's maintainability by reducing the storage +// paths to a single mechanism. +// 3. Use the same single mechanism to support "private" and "user" data. +// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) +// 5. Avoid exposing implementation details on user objects (eg. expando properties) +// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, - rmultiDash = /([A-Z])/g; + rmultiDash = /[A-Z]/g; -function dataAttr( elem, key, data ) { +function getData( data ) { + if ( data === "true" ) { + return true; + } - // If nothing was found internally, try to fetch any - // data from the HTML5 data-* attribute - if ( data === undefined && elem.nodeType === 1 ) { + if ( data === "false" ) { + return false; + } - var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); + if ( data === "null" ) { + return null; + } - data = elem.getAttribute( name ); + // Only convert to a number if it doesn't change the string + if ( data === +data + "" ) { + return +data; + } - if ( typeof data === "string" ) { - try { - data = data === "true" ? true : - data === "false" ? false : - data === "null" ? null : - - // Only convert to a number if it doesn't change the string - +data + "" === data ? +data : - rbrace.test( data ) ? jQuery.parseJSON( data ) : - data; - } catch ( e ) {} - - // Make sure we set the data so it isn't changed later - jQuery.data( elem, key, data ); - - } else { - data = undefined; - } + if ( rbrace.test( data ) ) { + return JSON.parse( data ); } return data; } -// checks a cache object for emptiness -function isEmptyDataObject( obj ) { +function dataAttr( elem, key, data ) { var name; - for ( name in obj ) { - // if the public data object is empty, the private is still empty - if ( name === "data" && jQuery.isEmptyObject( obj[ name ] ) ) { - continue; - } - if ( name !== "toJSON" ) { - return false; - } - } + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { + name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); + data = elem.getAttribute( name ); - return true; -} + if ( typeof data === "string" ) { + try { + data = getData( data ); + } catch ( e ) {} -function internalData( elem, name, data, pvt /* Internal Use Only */ ) { - if ( !acceptData( elem ) ) { - return; - } - - var ret, thisCache, - internalKey = jQuery.expando, - - // We have to handle DOM nodes and JS objects differently because IE6-7 - // can't GC object references properly across the DOM-JS boundary - isNode = elem.nodeType, - - // Only DOM nodes need the global jQuery cache; JS object data is - // attached directly to the object so GC can occur automatically - cache = isNode ? jQuery.cache : elem, - - // Only defining an ID for JS objects if its cache already exists allows - // the code to shortcut on the same path as a DOM node with no cache - id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey; - - // Avoid doing any more work than we need to when trying to get data on an - // object that has no data at all - if ( ( !id || !cache[ id ] || ( !pvt && !cache[ id ].data ) ) && - data === undefined && typeof name === "string" ) { - return; - } - - if ( !id ) { - - // Only DOM nodes need a new unique ID for each element since their data - // ends up in the global cache - if ( isNode ) { - id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++; + // Make sure we set the data so it isn't changed later + dataUser.set( elem, key, data ); } else { - id = internalKey; + data = undefined; } } - - if ( !cache[ id ] ) { - - // Avoid exposing jQuery metadata on plain JS objects when the object - // is serialized using JSON.stringify - cache[ id ] = isNode ? {} : { toJSON: jQuery.noop }; - } - - // An object can be passed to jQuery.data instead of a key/value pair; this gets - // shallow copied over onto the existing cache - if ( typeof name === "object" || typeof name === "function" ) { - if ( pvt ) { - cache[ id ] = jQuery.extend( cache[ id ], name ); - } else { - cache[ id ].data = jQuery.extend( cache[ id ].data, name ); - } - } - - thisCache = cache[ id ]; - - // jQuery data() is stored in a separate object inside the object's internal data - // cache in order to avoid key collisions between internal data and user-defined - // data. - if ( !pvt ) { - if ( !thisCache.data ) { - thisCache.data = {}; - } - - thisCache = thisCache.data; - } - - if ( data !== undefined ) { - thisCache[ jQuery.camelCase( name ) ] = data; - } - - // Check for both converted-to-camel and non-converted data property names - // If a data property was specified - if ( typeof name === "string" ) { - - // First Try to find as-is property data - ret = thisCache[ name ]; - - // Test for null|undefined property data - if ( ret == null ) { - - // Try to find the camelCased property - ret = thisCache[ jQuery.camelCase( name ) ]; - } - } else { - ret = thisCache; - } - - return ret; -} - -function internalRemoveData( elem, name, pvt ) { - if ( !acceptData( elem ) ) { - return; - } - - var thisCache, i, - isNode = elem.nodeType, - - // See jQuery.data for more information - cache = isNode ? jQuery.cache : elem, - id = isNode ? elem[ jQuery.expando ] : jQuery.expando; - - // If there is already no cache entry for this object, there is no - // purpose in continuing - if ( !cache[ id ] ) { - return; - } - - if ( name ) { - - thisCache = pvt ? cache[ id ] : cache[ id ].data; - - if ( thisCache ) { - - // Support array or space separated string names for data keys - if ( !jQuery.isArray( name ) ) { - - // try the string as a key before any manipulation - if ( name in thisCache ) { - name = [ name ]; - } else { - - // split the camel cased version by spaces unless a key with the spaces exists - name = jQuery.camelCase( name ); - if ( name in thisCache ) { - name = [ name ]; - } else { - name = name.split( " " ); - } - } - } else { - - // If "name" is an array of keys... - // When data is initially created, via ("key", "val") signature, - // keys will be converted to camelCase. - // Since there is no way to tell _how_ a key was added, remove - // both plain key and camelCase key. #12786 - // This will only penalize the array argument path. - name = name.concat( jQuery.map( name, jQuery.camelCase ) ); - } - - i = name.length; - while ( i-- ) { - delete thisCache[ name[ i ] ]; - } - - // If there is no data left in the cache, we want to continue - // and let the cache object itself get destroyed - if ( pvt ? !isEmptyDataObject( thisCache ) : !jQuery.isEmptyObject( thisCache ) ) { - return; - } - } - } - - // See jQuery.data for more information - if ( !pvt ) { - delete cache[ id ].data; - - // Don't destroy the parent cache unless the internal data object - // had been the only thing left in it - if ( !isEmptyDataObject( cache[ id ] ) ) { - return; - } - } - - // Destroy the cache - if ( isNode ) { - jQuery.cleanData( [ elem ], true ); - - // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080) - /* jshint eqeqeq: false */ - } else if ( support.deleteExpando || cache != cache.window ) { - /* jshint eqeqeq: true */ - delete cache[ id ]; - - // When all else fails, undefined - } else { - cache[ id ] = undefined; - } + return data; } jQuery.extend( { - cache: {}, - - // The following elements (space-suffixed to avoid Object.prototype collisions) - // throw uncatchable exceptions if you attempt to set expando properties - noData: { - "applet ": true, - "embed ": true, - - // ...but Flash objects (which have this classid) *can* handle expandos - "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" - }, - hasData: function( elem ) { - elem = elem.nodeType ? jQuery.cache[ elem[ jQuery.expando ] ] : elem[ jQuery.expando ]; - return !!elem && !isEmptyDataObject( elem ); + return dataUser.hasData( elem ) || dataPriv.hasData( elem ); }, data: function( elem, name, data ) { - return internalData( elem, name, data ); + return dataUser.access( elem, name, data ); }, removeData: function( elem, name ) { - return internalRemoveData( elem, name ); + dataUser.remove( elem, name ); }, - // For internal use only. + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. _data: function( elem, name, data ) { - return internalData( elem, name, data, true ); + return dataPriv.access( elem, name, data ); }, _removeData: function( elem, name ) { - return internalRemoveData( elem, name, true ); + dataPriv.remove( elem, name ); } } ); @@ -4051,29 +4214,26 @@ jQuery.fn.extend( { elem = this[ 0 ], attrs = elem && elem.attributes; - // Special expections of .data basically thwart jQuery.access, - // so implement the relevant behavior ourselves - // Gets all values if ( key === undefined ) { if ( this.length ) { - data = jQuery.data( elem ); + data = dataUser.get( elem ); - if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) { + if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) { - // Support: IE11+ - // The attrs elements can be null (#14894) + // Support: IE 11 only + // The attrs elements can be null (trac-14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { - name = jQuery.camelCase( name.slice( 5 ) ); + name = camelCase( name.slice( 5 ) ); dataAttr( elem, name, data[ name ] ); } } } - jQuery._data( elem, "parsedAttrs", true ); + dataPriv.set( elem, "hasDataAttrs", true ); } } @@ -4083,25 +4243,50 @@ jQuery.fn.extend( { // Sets multiple values if ( typeof key === "object" ) { return this.each( function() { - jQuery.data( this, key ); + dataUser.set( this, key ); } ); } - return arguments.length > 1 ? + return access( this, function( value ) { + var data; - // Sets one value + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if ( elem && value === undefined ) { + + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get( elem, key ); + if ( data !== undefined ) { + return data; + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr( elem, key ); + if ( data !== undefined ) { + return data; + } + + // We tried really hard, but the data doesn't exist. + return; + } + + // Set the data... this.each( function() { - jQuery.data( this, key, value ); - } ) : - // Gets one value - // Try to fetch any internally stored data first - elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined; + // We always store the camelCased key + dataUser.set( this, key, value ); + } ); + }, null, value, arguments.length > 1, null, true ); }, removeData: function( key ) { return this.each( function() { - jQuery.removeData( this, key ); + dataUser.remove( this, key ); } ); } } ); @@ -4113,12 +4298,12 @@ jQuery.extend( { if ( elem ) { type = ( type || "fx" ) + "queue"; - queue = jQuery._data( elem, type ); + queue = dataPriv.get( elem, type ); // Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { - if ( !queue || jQuery.isArray( data ) ) { - queue = jQuery._data( elem, type, jQuery.makeArray( data ) ); + if ( !queue || Array.isArray( data ) ) { + queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); } else { queue.push( data ); } @@ -4152,7 +4337,7 @@ jQuery.extend( { queue.unshift( "inprogress" ); } - // clear up the last queue stop function + // Clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); } @@ -4162,14 +4347,12 @@ jQuery.extend( { } }, - // not intended for public consumption - generates a queueHooks object, - // or returns the current one + // Not public - generate a queueHooks object, or return the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; - return jQuery._data( elem, key ) || jQuery._data( elem, key, { + return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { empty: jQuery.Callbacks( "once memory" ).add( function() { - jQuery._removeData( elem, type + "queue" ); - jQuery._removeData( elem, key ); + dataPriv.remove( elem, [ type + "queue", key ] ); } ) } ); } @@ -4194,7 +4377,7 @@ jQuery.fn.extend( { this.each( function() { var queue = jQuery.queue( this, type, data ); - // ensure a hooks for this queue + // Ensure a hooks for this queue jQuery._queueHooks( this, type ); if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { @@ -4232,7 +4415,7 @@ jQuery.fn.extend( { type = type || "fx"; while ( i-- ) { - tmp = jQuery._data( elements[ i ], type + "queueHooks" ); + tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); @@ -4242,57 +4425,6 @@ jQuery.fn.extend( { return defer.promise( obj ); } } ); - - -( function() { - var shrinkWrapBlocksVal; - - support.shrinkWrapBlocks = function() { - if ( shrinkWrapBlocksVal != null ) { - return shrinkWrapBlocksVal; - } - - // Will be changed later if needed. - shrinkWrapBlocksVal = false; - - // Minified: var b,c,d - var div, body, container; - - body = document.getElementsByTagName( "body" )[ 0 ]; - if ( !body || !body.style ) { - - // Test fired too early or in an unsupported environment, exit. - return; - } - - // Setup - div = document.createElement( "div" ); - container = document.createElement( "div" ); - container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; - body.appendChild( container ).appendChild( div ); - - // Support: IE6 - // Check if elements with layout shrink-wrap their children - if ( typeof div.style.zoom !== "undefined" ) { - - // Reset CSS: box-sizing; display; margin; border - div.style.cssText = - - // Support: Firefox<29, Android 2.3 - // Vendor-prefix box-sizing - "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" + - "box-sizing:content-box;display:block;margin:0;border:0;" + - "padding:1px;width:1px;zoom:1"; - div.appendChild( document.createElement( "div" ) ).style.width = "5px"; - shrinkWrapBlocksVal = div.offsetWidth !== 3; - } - - body.removeChild( container ); - - return shrinkWrapBlocksVal; - }; - -} )(); var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); @@ -4300,57 +4432,94 @@ var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; -var isHidden = function( elem, el ) { +var documentElement = document.documentElement; - // isHidden might be called from jQuery#filter function; + + + var isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ); + }, + composed = { composed: true }; + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if ( documentElement.getRootNode ) { + isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ) || + elem.getRootNode( composed ) === elem.ownerDocument; + }; + } +var isHiddenWithinTree = function( elem, el ) { + + // isHiddenWithinTree might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; - return jQuery.css( elem, "display" ) === "none" || - !jQuery.contains( elem.ownerDocument, elem ); + + // Inline style trumps all + return elem.style.display === "none" || + elem.style.display === "" && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached( elem ) && + + jQuery.css( elem, "display" ) === "none"; }; function adjustCSS( elem, prop, valueParts, tween ) { - var adjusted, - scale = 1, + var adjusted, scale, maxIterations = 20, currentValue = tween ? - function() { return tween.cur(); } : - function() { return jQuery.css( elem, prop, "" ); }, + function() { + return tween.cur(); + } : + function() { + return jQuery.css( elem, prop, "" ); + }, initial = currentValue(), unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), // Starting value computation is required for potential unit mismatches - initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && + initialInUnit = elem.nodeType && + ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && rcssNum.exec( jQuery.css( elem, prop ) ); if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2; + // Trust units reported by jQuery.css unit = unit || initialInUnit[ 3 ]; - // Make sure we update the tween properties later on - valueParts = valueParts || []; - // Iteratively approximate from a nonzero starting point initialInUnit = +initial || 1; - do { + while ( maxIterations-- ) { - // If previous iteration zeroed out, double until we get *something*. - // Use string for doubling so we don't accidentally see scale as unchanged below - scale = scale || ".5"; - - // Adjust and apply - initialInUnit = initialInUnit / scale; + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). jQuery.style( elem, prop, initialInUnit + unit ); + if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { + maxIterations = 0; + } + initialInUnit = initialInUnit / scale; - // Update scale, tolerating zero or NaN from tween.cur() - // Break the loop if scale is unchanged or perfect, or if we've just had enough. - } while ( - scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations - ); + } + + initialInUnit = initialInUnit * 2; + jQuery.style( elem, prop, initialInUnit + unit ); + + // Make sure we update the tween properties later on + valueParts = valueParts || []; } if ( valueParts ) { @@ -4370,242 +4539,210 @@ function adjustCSS( elem, prop, valueParts, tween ) { } -// Multifunctional method to get and set values of a collection -// The value/s can optionally be executed if it's a function -var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { - var i = 0, - length = elems.length, - bulk = key == null; +var defaultDisplayMap = {}; - // Sets many values - if ( jQuery.type( key ) === "object" ) { - chainable = true; - for ( i in key ) { - access( elems, fn, i, key[ i ], true, emptyGet, raw ); +function getDefaultDisplay( elem ) { + var temp, + doc = elem.ownerDocument, + nodeName = elem.nodeName, + display = defaultDisplayMap[ nodeName ]; + + if ( display ) { + return display; + } + + temp = doc.body.appendChild( doc.createElement( nodeName ) ); + display = jQuery.css( temp, "display" ); + + temp.parentNode.removeChild( temp ); + + if ( display === "none" ) { + display = "block"; + } + defaultDisplayMap[ nodeName ] = display; + + return display; +} + +function showHide( elements, show ) { + var display, elem, + values = [], + index = 0, + length = elements.length; + + // Determine new display value for elements that need to change + for ( ; index < length; index++ ) { + elem = elements[ index ]; + if ( !elem.style ) { + continue; } - // Sets one value - } else if ( value !== undefined ) { - chainable = true; + display = elem.style.display; + if ( show ) { - if ( !jQuery.isFunction( value ) ) { - raw = true; - } - - if ( bulk ) { - - // Bulk operations run against the entire set - if ( raw ) { - fn.call( elems, value ); - fn = null; - - // ...except when executing function values - } else { - bulk = fn; - fn = function( elem, key, value ) { - return bulk.call( jQuery( elem ), value ); - }; + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if ( display === "none" ) { + values[ index ] = dataPriv.get( elem, "display" ) || null; + if ( !values[ index ] ) { + elem.style.display = ""; + } } - } + if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { + values[ index ] = getDefaultDisplay( elem ); + } + } else { + if ( display !== "none" ) { + values[ index ] = "none"; - if ( fn ) { - for ( ; i < length; i++ ) { - fn( - elems[ i ], - key, - raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) - ); + // Remember what we're overwriting + dataPriv.set( elem, "display", display ); } } } - return chainable ? - elems : + // Set the display of the elements in a second loop to avoid constant reflow + for ( index = 0; index < length; index++ ) { + if ( values[ index ] != null ) { + elements[ index ].style.display = values[ index ]; + } + } - // Gets - bulk ? - fn.call( elems ) : - length ? fn( elems[ 0 ], key ) : emptyGet; -}; + return elements; +} + +jQuery.fn.extend( { + show: function() { + return showHide( this, true ); + }, + hide: function() { + return showHide( this ); + }, + toggle: function( state ) { + if ( typeof state === "boolean" ) { + return state ? this.show() : this.hide(); + } + + return this.each( function() { + if ( isHiddenWithinTree( this ) ) { + jQuery( this ).show(); + } else { + jQuery( this ).hide(); + } + } ); + } +} ); var rcheckableType = ( /^(?:checkbox|radio)$/i ); -var rtagName = ( /<([\w:-]+)/ ); +var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); -var rscriptType = ( /^$|\/(?:java|ecma)script/i ); +var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); -var rleadingWhitespace = ( /^\s+/ ); - -var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|" + - "details|dialog|figcaption|figure|footer|header|hgroup|main|" + - "mark|meter|nav|output|picture|progress|section|summary|template|time|video"; - - - -function createSafeFragment( document ) { - var list = nodeNames.split( "|" ), - safeFrag = document.createDocumentFragment(); - - if ( safeFrag.createElement ) { - while ( list.length ) { - safeFrag.createElement( - list.pop() - ); - } - } - return safeFrag; -} ( function() { - var div = document.createElement( "div" ), - fragment = document.createDocumentFragment(), + var fragment = document.createDocumentFragment(), + div = fragment.appendChild( document.createElement( "div" ) ), input = document.createElement( "input" ); - // Setup - div.innerHTML = "
a"; - - // IE strips leading whitespace when .innerHTML is used - support.leadingWhitespace = div.firstChild.nodeType === 3; - - // Make sure that tbody elements aren't automatically inserted - // IE will insert them into empty tables - support.tbody = !div.getElementsByTagName( "tbody" ).length; - - // Make sure that link elements get serialized correctly by innerHTML - // This requires a wrapper element in IE - support.htmlSerialize = !!div.getElementsByTagName( "link" ).length; - - // Makes sure cloning an html5 element does not cause problems - // Where outerHTML is undefined, this still works - support.html5Clone = - document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav>"; - - // Check if a disconnected checkbox will retain its checked - // value of true after appended to the DOM (IE6/7) - input.type = "checkbox"; - input.checked = true; - fragment.appendChild( input ); - support.appendChecked = input.checked; - - // Make sure textarea (and checkbox) defaultValue is properly cloned - // Support: IE6-IE11+ - div.innerHTML = ""; - support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; - - // #11217 - WebKit loses check when the name is after the checked attribute - fragment.appendChild( div ); - + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (trac-11217) // Support: Windows Web Apps (WWA) - // `name` and `type` must use .setAttribute for WWA (#14901) - input = document.createElement( "input" ); + // `name` and `type` must use .setAttribute for WWA (trac-14901) input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" ); div.appendChild( input ); - // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3 - // old WebKit doesn't clone checked state correctly in fragments + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; - // Support: IE<9 - // Cloned elements keep attachEvent handlers, we use addEventListener on IE9+ - support.noCloneEvent = !!div.addEventListener; + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; - // Support: IE<9 - // Since attributes and properties are the same in IE, - // cleanData must set properties to undefined rather than use removeAttribute - div[ jQuery.expando ] = 1; - support.attributes = !div.getAttribute( jQuery.expando ); + // Support: IE <=9 only + // IE <=9 replaces "; + support.option = !!div.lastChild; } )(); -// We have to close these tags to support XHTML (#13200) +// We have to close these tags to support XHTML (trac-13200) var wrapMap = { - option: [ 1, "" ], - legend: [ 1, "
", "
" ], - area: [ 1, "", "" ], - // Support: IE8 - param: [ 1, "", "" ], + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting or other required elements. thead: [ 1, "", "
" ], + col: [ 2, "", "
" ], tr: [ 2, "", "
" ], - col: [ 2, "", "
" ], td: [ 3, "", "
" ], - // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags, - // unless wrapped in a div with non-breaking characters in front of it. - _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X
", "
" ] + _default: [ 0, "", "" ] }; -// Support: IE8-IE9 -wrapMap.optgroup = wrapMap.option; - wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td; +// Support: IE <=9 only +if ( !support.option ) { + wrapMap.optgroup = wrapMap.option = [ 1, "" ]; +} + function getAll( context, tag ) { - var elems, elem, - i = 0, - found = typeof context.getElementsByTagName !== "undefined" ? - context.getElementsByTagName( tag || "*" ) : - typeof context.querySelectorAll !== "undefined" ? - context.querySelectorAll( tag || "*" ) : - undefined; - if ( !found ) { - for ( found = [], elems = context.childNodes || context; - ( elem = elems[ i ] ) != null; - i++ - ) { - if ( !tag || jQuery.nodeName( elem, tag ) ) { - found.push( elem ); - } else { - jQuery.merge( found, getAll( elem, tag ) ); - } - } + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (trac-15151) + var ret; + + if ( typeof context.getElementsByTagName !== "undefined" ) { + ret = context.getElementsByTagName( tag || "*" ); + + } else if ( typeof context.querySelectorAll !== "undefined" ) { + ret = context.querySelectorAll( tag || "*" ); + + } else { + ret = []; } - return tag === undefined || tag && jQuery.nodeName( context, tag ) ? - jQuery.merge( [ context ], found ) : - found; + if ( tag === undefined || tag && nodeName( context, tag ) ) { + return jQuery.merge( [ context ], ret ); + } + + return ret; } // Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { - var elem, - i = 0; - for ( ; ( elem = elems[ i ] ) != null; i++ ) { - jQuery._data( - elem, + var i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + dataPriv.set( + elems[ i ], "globalEval", - !refElements || jQuery._data( refElements[ i ], "globalEval" ) + !refElements || dataPriv.get( refElements[ i ], "globalEval" ) ); } } -var rhtml = /<|&#?\w+;/, - rtbody = / from table fragments - if ( !support.tbody ) { - - // String was a , *may* have spurious - elem = tag === "table" && !rtbody.test( elem ) ? - tmp.firstChild : - - // String was a bare or - wrap[ 1 ] === "
" && !rtbody.test( elem ) ? - tmp : - 0; - - j = elem && elem.childNodes.length; - while ( j-- ) { - if ( jQuery.nodeName( ( tbody = elem.childNodes[ j ] ), "tbody" ) && - !tbody.childNodes.length ) { - - elem.removeChild( tbody ); - } - } - } - + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, tmp.childNodes ); - // Fix #12392 for WebKit and IE > 9 + // Remember the top-level container + tmp = fragment.firstChild; + + // Ensure the created nodes are orphaned (trac-12392) tmp.textContent = ""; - - // Fix #12392 for oldIE - while ( tmp.firstChild ) { - tmp.removeChild( tmp.firstChild ); - } - - // Remember the top-level container for proper cleanup - tmp = safe.lastChild; } } } - // Fix #11356: Clear elements from fragment - if ( tmp ) { - safe.removeChild( tmp ); - } - - // Reset defaultChecked for any radios and checkboxes - // about to be appended to the DOM in IE 6/7 (#8060) - if ( !support.appendChecked ) { - jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked ); - } + // Remove wrapper from fragment + fragment.textContent = ""; i = 0; while ( ( elem = nodes[ i++ ] ) ) { @@ -4698,17 +4799,16 @@ function buildFragment( elems, context, scripts, selection, ignored ) { if ( ignored ) { ignored.push( elem ); } - continue; } - contains = jQuery.contains( elem.ownerDocument, elem ); + attached = isAttached( elem ); // Append to fragment - tmp = getAll( safe.appendChild( elem ), "script" ); + tmp = getAll( fragment.appendChild( elem ), "script" ); // Preserve script evaluation history - if ( contains ) { + if ( attached ) { setGlobalEval( tmp ); } @@ -4723,38 +4823,11 @@ function buildFragment( elems, context, scripts, selection, ignored ) { } } - tmp = null; - - return safe; + return fragment; } -( function() { - var i, eventName, - div = document.createElement( "div" ); - - // Support: IE<9 (lack submit/change bubble), Firefox (lack focus(in | out) events) - for ( i in { submit: true, change: true, focusin: true } ) { - eventName = "on" + i; - - if ( !( support[ i ] = eventName in window ) ) { - - // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP) - div.setAttribute( eventName, "t" ); - support[ i ] = div.attributes[ eventName ].expando === false; - } - } - - // Null elements to avoid leaks in IE. - div = null; -} )(); - - -var rformElems = /^(?:input|select|textarea)$/i, - rkeyEvent = /^key/, - rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, - rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, - rtypenamespace = /^([^.]*)(?:\.(.+)|)/; +var rtypenamespace = /^([^.]*)(?:\.(.+)|)/; function returnTrue() { return true; @@ -4764,14 +4837,6 @@ function returnFalse() { return false; } -// Support: IE9 -// See #13393 for more info -function safeActiveElement() { - try { - return document.activeElement; - } catch ( err ) { } -} - function on( elem, types, selector, data, fn, one ) { var origFn, type; @@ -4842,13 +4907,14 @@ jQuery.event = { global: {}, add: function( elem, types, handler, data, selector ) { - var tmp, events, t, handleObjIn, - special, eventHandle, handleObj, - handlers, type, namespaces, origType, - elemData = jQuery._data( elem ); - // Don't attach events to noData or text/comment nodes (but allow plain objects) - if ( !elemData ) { + var handleObjIn, eventHandle, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.get( elem ); + + // Only attach events to objects that accept data + if ( !acceptData( elem ) ) { return; } @@ -4859,6 +4925,12 @@ jQuery.event = { selector = handleObjIn.selector; } + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if ( selector ) { + jQuery.find.matchesSelector( documentElement, selector ); + } + // Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; @@ -4866,26 +4938,20 @@ jQuery.event = { // Init the element's event structure and main handler, if this is the first if ( !( events = elemData.events ) ) { - events = elemData.events = {}; + events = elemData.events = Object.create( null ); } if ( !( eventHandle = elemData.handle ) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded - return typeof jQuery !== "undefined" && - ( !e || jQuery.event.triggered !== e.type ) ? - jQuery.event.dispatch.apply( eventHandle.elem, arguments ) : - undefined; + return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? + jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; - - // Add elem as a property of the handle fn to prevent a memory leak - // with IE non-native events - eventHandle.elem = elem; } // Handle multiple events separated by a space - types = ( types || "" ).match( rnotwhite ) || [ "" ]; + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; @@ -4923,16 +4989,12 @@ jQuery.event = { handlers = events[ type ] = []; handlers.delegateCount = 0; - // Only use addEventListener/attachEvent if the special events handler returns false + // Only use addEventListener if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { - // Bind the global event handler to the element if ( elem.addEventListener ) { - elem.addEventListener( type, eventHandle, false ); - - } else if ( elem.attachEvent ) { - elem.attachEvent( "on" + type, eventHandle ); + elem.addEventListener( type, eventHandle ); } } } @@ -4956,24 +5018,22 @@ jQuery.event = { jQuery.event.global[ type ] = true; } - // Nullify elem to prevent memory leaks in IE - elem = null; }, // Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) { - var j, handleObj, tmp, - origCount, t, events, - special, handlers, type, - namespaces, origType, - elemData = jQuery.hasData( elem ) && jQuery._data( elem ); + + var j, origCount, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); if ( !elemData || !( events = elemData.events ) ) { return; } // Once for each type.namespace in types; type may be omitted - types = ( types || "" ).match( rnotwhite ) || [ "" ]; + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; @@ -5028,174 +5088,32 @@ jQuery.event = { } } - // Remove the expando if it's no longer used + // Remove data and the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { - delete elemData.handle; - - // removeData also checks for emptiness and clears the expando if empty - // so use it instead of delete - jQuery._removeData( elem, "events" ); + dataPriv.remove( elem, "handle events" ); } }, - trigger: function( event, data, elem, onlyHandlers ) { - var handle, ontype, cur, - bubbleType, special, tmp, i, - eventPath = [ elem || document ], - type = hasOwn.call( event, "type" ) ? event.type : event, - namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; + dispatch: function( nativeEvent ) { - cur = tmp = elem = elem || document; + var i, j, ret, matched, handleObj, handlerQueue, + args = new Array( arguments.length ), - // Don't do events on text and comment nodes - if ( elem.nodeType === 3 || elem.nodeType === 8 ) { - return; - } + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( nativeEvent ), - // focus/blur morphs to focusin/out; ensure we're not firing them right now - if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { - return; - } - - if ( type.indexOf( "." ) > -1 ) { - - // Namespaced trigger; create a regexp to match event type in handle() - namespaces = type.split( "." ); - type = namespaces.shift(); - namespaces.sort(); - } - ontype = type.indexOf( ":" ) < 0 && "on" + type; - - // Caller can pass in a jQuery.Event object, Object, or just an event type string - event = event[ jQuery.expando ] ? - event : - new jQuery.Event( type, typeof event === "object" && event ); - - // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) - event.isTrigger = onlyHandlers ? 2 : 3; - event.namespace = namespaces.join( "." ); - event.rnamespace = event.namespace ? - new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : - null; - - // Clean up the event in case it is being reused - event.result = undefined; - if ( !event.target ) { - event.target = elem; - } - - // Clone any incoming data and prepend the event, creating the handler arg list - data = data == null ? - [ event ] : - jQuery.makeArray( data, [ event ] ); - - // Allow special events to draw outside the lines - special = jQuery.event.special[ type ] || {}; - if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { - return; - } - - // Determine event propagation path in advance, per W3C events spec (#9951) - // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) - if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) { - - bubbleType = special.delegateType || type; - if ( !rfocusMorph.test( bubbleType + type ) ) { - cur = cur.parentNode; - } - for ( ; cur; cur = cur.parentNode ) { - eventPath.push( cur ); - tmp = cur; - } - - // Only add window if we got to document (e.g., not plain obj or detached DOM) - if ( tmp === ( elem.ownerDocument || document ) ) { - eventPath.push( tmp.defaultView || tmp.parentWindow || window ); - } - } - - // Fire handlers on the event path - i = 0; - while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { - - event.type = i > 1 ? - bubbleType : - special.bindType || type; - - // jQuery handler - handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && - jQuery._data( cur, "handle" ); - - if ( handle ) { - handle.apply( cur, data ); - } - - // Native handler - handle = ontype && cur[ ontype ]; - if ( handle && handle.apply && acceptData( cur ) ) { - event.result = handle.apply( cur, data ); - if ( event.result === false ) { - event.preventDefault(); - } - } - } - event.type = type; - - // If nobody prevented the default action, do it now - if ( !onlyHandlers && !event.isDefaultPrevented() ) { - - if ( - ( !special._default || - special._default.apply( eventPath.pop(), data ) === false - ) && acceptData( elem ) - ) { - - // Call a native DOM method on the target with the same name name as the event. - // Can't use an .isFunction() check here because IE6/7 fails that test. - // Don't do default actions on window, that's where global variables be (#6170) - if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) { - - // Don't re-trigger an onFOO event when we call its FOO() method - tmp = elem[ ontype ]; - - if ( tmp ) { - elem[ ontype ] = null; - } - - // Prevent re-triggering of the same event, since we already bubbled it above - jQuery.event.triggered = type; - try { - elem[ type ](); - } catch ( e ) { - - // IE<9 dies on focus/blur to hidden element (#1486,#12518) - // only reproducible on winXP IE8 native, not IE9 in IE8 mode - } - jQuery.event.triggered = undefined; - - if ( tmp ) { - elem[ ontype ] = tmp; - } - } - } - } - - return event.result; - }, - - dispatch: function( event ) { - - // Make a writable jQuery.Event from the native event object - event = jQuery.event.fix( event ); - - var i, j, ret, matched, handleObj, - handlerQueue = [], - args = slice.call( arguments ), - handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [], + handlers = ( + dataPriv.get( this, "events" ) || Object.create( null ) + )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {}; // Use the fix-ed jQuery.Event rather than the (read-only) native event args[ 0 ] = event; + + for ( i = 1; i < arguments.length; i++ ) { + args[ i ] = arguments[ i ]; + } + event.delegateTarget = this; // Call the preDispatch hook for the mapped type, and let it bail if desired @@ -5215,9 +5133,10 @@ jQuery.event = { while ( ( handleObj = matched.handlers[ j++ ] ) && !event.isImmediatePropagationStopped() ) { - // Triggered event must either 1) have no namespace, or 2) have namespace(s) - // a subset or equal to those in the bound event (both can have no namespace). - if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) { + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if ( !event.rnamespace || handleObj.namespace === false || + event.rnamespace.test( handleObj.namespace ) ) { event.handleObj = handleObj; event.data = handleObj.data; @@ -5244,160 +5163,95 @@ jQuery.event = { }, handlers: function( event, handlers ) { - var i, matches, sel, handleObj, + var i, handleObj, sel, matchedHandlers, matchedSelectors, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target; - // Support (at least): Chrome, IE9 // Find delegate handlers - // Black-hole SVG instance trees (#13180) - // - // Support: Firefox<=42+ - // Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343) - if ( delegateCount && cur.nodeType && - ( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) { + if ( delegateCount && - /* jshint eqeqeq: false */ - for ( ; cur != this; cur = cur.parentNode || this ) { - /* jshint eqeqeq: true */ + // Support: IE <=9 + // Black-hole SVG instance trees (trac-13180) + cur.nodeType && - // Don't check non-elements (#13208) - // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) - if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) { - matches = []; + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !( event.type === "click" && event.button >= 1 ) ) { + + for ( ; cur !== this; cur = cur.parentNode || this ) { + + // Don't check non-elements (trac-13208) + // Don't process clicks on disabled elements (trac-6911, trac-8165, trac-11382, trac-11764) + if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { + matchedHandlers = []; + matchedSelectors = {}; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ]; - // Don't conflict with Object.prototype properties (#13203) + // Don't conflict with Object.prototype properties (trac-13203) sel = handleObj.selector + " "; - if ( matches[ sel ] === undefined ) { - matches[ sel ] = handleObj.needsContext ? + if ( matchedSelectors[ sel ] === undefined ) { + matchedSelectors[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) > -1 : jQuery.find( sel, this, null, [ cur ] ).length; } - if ( matches[ sel ] ) { - matches.push( handleObj ); + if ( matchedSelectors[ sel ] ) { + matchedHandlers.push( handleObj ); } } - if ( matches.length ) { - handlerQueue.push( { elem: cur, handlers: matches } ); + if ( matchedHandlers.length ) { + handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); } } } } // Add the remaining (directly-bound) handlers + cur = this; if ( delegateCount < handlers.length ) { - handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } ); + handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); } return handlerQueue; }, - fix: function( event ) { - if ( event[ jQuery.expando ] ) { - return event; - } + addProp: function( name, hook ) { + Object.defineProperty( jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, - // Create a writable copy of the event object and normalize some properties - var i, prop, copy, - type = event.type, - originalEvent = event, - fixHook = this.fixHooks[ type ]; + get: isFunction( hook ) ? + function() { + if ( this.originalEvent ) { + return hook( this.originalEvent ); + } + } : + function() { + if ( this.originalEvent ) { + return this.originalEvent[ name ]; + } + }, - if ( !fixHook ) { - this.fixHooks[ type ] = fixHook = - rmouseEvent.test( type ) ? this.mouseHooks : - rkeyEvent.test( type ) ? this.keyHooks : - {}; - } - copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; - - event = new jQuery.Event( originalEvent ); - - i = copy.length; - while ( i-- ) { - prop = copy[ i ]; - event[ prop ] = originalEvent[ prop ]; - } - - // Support: IE<9 - // Fix target property (#1925) - if ( !event.target ) { - event.target = originalEvent.srcElement || document; - } - - // Support: Safari 6-8+ - // Target should not be a text node (#504, #13143) - if ( event.target.nodeType === 3 ) { - event.target = event.target.parentNode; - } - - // Support: IE<9 - // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) - event.metaKey = !!event.metaKey; - - return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; + set: function( value ) { + Object.defineProperty( this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + } ); + } + } ); }, - // Includes some event props shared by KeyEvent and MouseEvent - props: ( "altKey bubbles cancelable ctrlKey currentTarget detail eventPhase " + - "metaKey relatedTarget shiftKey target timeStamp view which" ).split( " " ), - - fixHooks: {}, - - keyHooks: { - props: "char charCode key keyCode".split( " " ), - filter: function( event, original ) { - - // Add which for key events - if ( event.which == null ) { - event.which = original.charCode != null ? original.charCode : original.keyCode; - } - - return event; - } - }, - - mouseHooks: { - props: ( "button buttons clientX clientY fromElement offsetX offsetY " + - "pageX pageY screenX screenY toElement" ).split( " " ), - filter: function( event, original ) { - var body, eventDoc, doc, - button = original.button, - fromElement = original.fromElement; - - // Calculate pageX/Y if missing and clientX/Y available - if ( event.pageX == null && original.clientX != null ) { - eventDoc = event.target.ownerDocument || document; - doc = eventDoc.documentElement; - body = eventDoc.body; - - event.pageX = original.clientX + - ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); - event.pageY = original.clientY + - ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - - ( doc && doc.clientTop || body && body.clientTop || 0 ); - } - - // Add relatedTarget, if necessary - if ( !event.relatedTarget && fromElement ) { - event.relatedTarget = fromElement === event.target ? - original.toElement : - fromElement; - } - - // Add which for click: 1 === left; 2 === middle; 3 === right - // Note: button is not normalized, so don't use it - if ( !event.which && button !== undefined ) { - event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); - } - - return event; - } + fix: function( originalEvent ) { + return originalEvent[ jQuery.expando ] ? + originalEvent : + new jQuery.Event( originalEvent ); }, special: { @@ -5406,46 +5260,51 @@ jQuery.event = { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, - focus: { - - // Fire native event if possible so blur/focus sequence is correct - trigger: function() { - if ( this !== safeActiveElement() && this.focus ) { - try { - this.focus(); - return false; - } catch ( e ) { - - // Support: IE<9 - // If we error on focus to hidden element (#1486, #12518), - // let .trigger() run the handlers - } - } - }, - delegateType: "focusin" - }, - blur: { - trigger: function() { - if ( this === safeActiveElement() && this.blur ) { - this.blur(); - return false; - } - }, - delegateType: "focusout" - }, click: { - // For checkbox, fire native event so checked state will be right - trigger: function() { - if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) { - this.click(); - return false; + // Utilize native event to ensure correct state for checkable inputs + setup: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Claim the first handler + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + // dataPriv.set( el, "click", ... ) + leverageNative( el, "click", true ); } + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Force setup before triggering a click + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + leverageNative( el, "click" ); + } + + // Return non-false to allow normal event-path propagation + return true; }, - // For cross-browser consistency, don't fire native .click() on links + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack _default: function( event ) { - return jQuery.nodeName( event.target, "a" ); + var target = event.target; + return rcheckableType.test( target.type ) && + target.click && nodeName( target, "input" ) && + dataPriv.get( target, "click" ) || + nodeName( target, "a" ); } }, @@ -5459,59 +5318,99 @@ jQuery.event = { } } } - }, - - // Piggyback on a donor event to simulate a different one - simulate: function( type, elem, event ) { - var e = jQuery.extend( - new jQuery.Event(), - event, - { - type: type, - isSimulated: true - - // Previously, `originalEvent: {}` was set here, so stopPropagation call - // would not be triggered on donor event, since in our own - // jQuery.event.stopPropagation function we had a check for existence of - // originalEvent.stopPropagation method, so, consequently it would be a noop. - // - // Guard for simulated events was moved to jQuery.event.stopPropagation function - // since `originalEvent` should point to the original event for the - // constancy with other events and for more focused logic - } - ); - - jQuery.event.trigger( e, null, elem ); - - if ( e.isDefaultPrevented() ) { - event.preventDefault(); - } } }; -jQuery.removeEvent = document.removeEventListener ? - function( elem, type, handle ) { +// Ensure the presence of an event listener that handles manually-triggered +// synthetic events by interrupting progress until reinvoked in response to +// *native* events that it fires directly, ensuring that state changes have +// already occurred before other listeners are invoked. +function leverageNative( el, type, isSetup ) { - // This "if" is needed for plain objects - if ( elem.removeEventListener ) { - elem.removeEventListener( type, handle ); + // Missing `isSetup` indicates a trigger call, which must force setup through jQuery.event.add + if ( !isSetup ) { + if ( dataPriv.get( el, type ) === undefined ) { + jQuery.event.add( el, type, returnTrue ); } - } : - function( elem, type, handle ) { - var name = "on" + type; + return; + } - if ( elem.detachEvent ) { + // Register the controller as a special universal handler for all event namespaces + dataPriv.set( el, type, false ); + jQuery.event.add( el, type, { + namespace: false, + handler: function( event ) { + var result, + saved = dataPriv.get( this, type ); - // #8545, #7054, preventing memory leaks for custom events in IE6-8 - // detachEvent needed property on element, by name of that event, - // to properly expose it to GC - if ( typeof elem[ name ] === "undefined" ) { - elem[ name ] = null; + if ( ( event.isTrigger & 1 ) && this[ type ] ) { + + // Interrupt processing of the outer synthetic .trigger()ed event + if ( !saved ) { + + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call( arguments ); + dataPriv.set( this, type, saved ); + + // Trigger the native event and capture its result + this[ type ](); + result = dataPriv.get( this, type ); + dataPriv.set( this, type, false ); + + if ( saved !== result ) { + + // Cancel the outer synthetic event + event.stopImmediatePropagation(); + event.preventDefault(); + + return result; + } + + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering + // the native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { + event.stopPropagation(); + } + + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if ( saved ) { + + // ...and capture the result + dataPriv.set( this, type, jQuery.event.trigger( + saved[ 0 ], + saved.slice( 1 ), + this + ) ); + + // Abort handling of the native event by all jQuery handlers while allowing + // native handlers on the same element to run. On target, this is achieved + // by stopping immediate propagation just on the jQuery event. However, + // the native event is re-wrapped by a jQuery one on each level of the + // propagation so the only way to stop it for jQuery is to stop it for + // everyone via native `stopPropagation()`. This is not a problem for + // focus/blur which don't bubble, but it does also stop click on checkboxes + // and radios. We accept this limitation. + event.stopPropagation(); + event.isImmediatePropagationStopped = returnTrue; } - - elem.detachEvent( name, handle ); } - }; + } ); +} + +jQuery.removeEvent = function( elem, type, handle ) { + + // This "if" is needed for plain objects + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle ); + } +}; jQuery.Event = function( src, props ) { @@ -5530,11 +5429,21 @@ jQuery.Event = function( src, props ) { this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && - // Support: IE < 9, Android < 4.0 + // Support: Android <=2.3 only src.returnValue === false ? returnTrue : returnFalse; + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (trac-504, trac-13143) + this.target = ( src.target && src.target.nodeType === 3 ) ? + src.target.parentNode : + src.target; + + this.currentTarget = src.currentTarget; + this.relatedTarget = src.relatedTarget; + // Event type } else { this.type = src; @@ -5546,36 +5455,28 @@ jQuery.Event = function( src, props ) { } // Create a timestamp if incoming event doesn't have one - this.timeStamp = src && src.timeStamp || jQuery.now(); + this.timeStamp = src && src.timeStamp || Date.now(); // Mark it as fixed this[ jQuery.expando ] = true; }; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding -// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html +// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { constructor: jQuery.Event, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, + isSimulated: false, preventDefault: function() { var e = this.originalEvent; this.isDefaultPrevented = returnTrue; - if ( !e ) { - return; - } - // If preventDefault exists, run it on the original event - if ( e.preventDefault ) { + if ( e && !this.isSimulated ) { e.preventDefault(); - - // Support: IE - // Otherwise set the returnValue property of the original event to false - } else { - e.returnValue = false; } }, stopPropagation: function() { @@ -5583,25 +5484,16 @@ jQuery.Event.prototype = { this.isPropagationStopped = returnTrue; - if ( !e || this.isSimulated ) { - return; - } - - // If stopPropagation exists, run it on the original event - if ( e.stopPropagation ) { + if ( e && !this.isSimulated ) { e.stopPropagation(); } - - // Support: IE - // Set the cancelBubble property of the original event to true - e.cancelBubble = true; }, stopImmediatePropagation: function() { var e = this.originalEvent; this.isImmediatePropagationStopped = returnTrue; - if ( e && e.stopImmediatePropagation ) { + if ( e && !this.isSimulated ) { e.stopImmediatePropagation(); } @@ -5609,13 +5501,206 @@ jQuery.Event.prototype = { } }; +// Includes all common event props including KeyEvent and MouseEvent specific props +jQuery.each( { + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + "char": true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + which: true +}, jQuery.event.addProp ); + +jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { + + function focusMappedHandler( nativeEvent ) { + if ( document.documentMode ) { + + // Support: IE 11+ + // Attach a single focusin/focusout handler on the document while someone wants + // focus/blur. This is because the former are synchronous in IE while the latter + // are async. In other browsers, all those handlers are invoked synchronously. + + // `handle` from private data would already wrap the event, but we need + // to change the `type` here. + var handle = dataPriv.get( this, "handle" ), + event = jQuery.event.fix( nativeEvent ); + event.type = nativeEvent.type === "focusin" ? "focus" : "blur"; + event.isSimulated = true; + + // First, handle focusin/focusout + handle( nativeEvent ); + + // ...then, handle focus/blur + // + // focus/blur don't bubble while focusin/focusout do; simulate the former by only + // invoking the handler at the lower level. + if ( event.target === event.currentTarget ) { + + // The setup part calls `leverageNative`, which, in turn, calls + // `jQuery.event.add`, so event handle will already have been set + // by this point. + handle( event ); + } + } else { + + // For non-IE browsers, attach a single capturing handler on the document + // while someone wants focusin/focusout. + jQuery.event.simulate( delegateType, nativeEvent.target, + jQuery.event.fix( nativeEvent ) ); + } + } + + jQuery.event.special[ type ] = { + + // Utilize native event if possible so blur/focus sequence is correct + setup: function() { + + var attaches; + + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative( this, type, true ); + + if ( document.documentMode ) { + + // Support: IE 9 - 11+ + // We use the same native handler for focusin & focus (and focusout & blur) + // so we need to coordinate setup & teardown parts between those events. + // Use `delegateType` as the key as `type` is already used by `leverageNative`. + attaches = dataPriv.get( this, delegateType ); + if ( !attaches ) { + this.addEventListener( delegateType, focusMappedHandler ); + } + dataPriv.set( this, delegateType, ( attaches || 0 ) + 1 ); + } else { + + // Return false to allow normal processing in the caller + return false; + } + }, + trigger: function() { + + // Force setup before trigger + leverageNative( this, type ); + + // Return non-false to allow normal event-path propagation + return true; + }, + + teardown: function() { + var attaches; + + if ( document.documentMode ) { + attaches = dataPriv.get( this, delegateType ) - 1; + if ( !attaches ) { + this.removeEventListener( delegateType, focusMappedHandler ); + dataPriv.remove( this, delegateType ); + } else { + dataPriv.set( this, delegateType, attaches ); + } + } else { + + // Return false to indicate standard teardown should be applied + return false; + } + }, + + // Suppress native focus or blur if we're currently inside + // a leveraged native-event stack + _default: function( event ) { + return dataPriv.get( event.target, type ); + }, + + delegateType: delegateType + }; + + // Support: Firefox <=44 + // Firefox doesn't have focus(in | out) events + // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 + // + // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 + // focus(in | out) events fire after focus & blur events, + // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order + // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 + // + // Support: IE 9 - 11+ + // To preserve relative focusin/focus & focusout/blur event order guaranteed on the 3.x branch, + // attach a single handler for both events in IE. + jQuery.event.special[ delegateType ] = { + setup: function() { + + // Handle: regular nodes (via `this.ownerDocument`), window + // (via `this.document`) & document (via `this`). + var doc = this.ownerDocument || this.document || this, + dataHolder = document.documentMode ? this : doc, + attaches = dataPriv.get( dataHolder, delegateType ); + + // Support: IE 9 - 11+ + // We use the same native handler for focusin & focus (and focusout & blur) + // so we need to coordinate setup & teardown parts between those events. + // Use `delegateType` as the key as `type` is already used by `leverageNative`. + if ( !attaches ) { + if ( document.documentMode ) { + this.addEventListener( delegateType, focusMappedHandler ); + } else { + doc.addEventListener( type, focusMappedHandler, true ); + } + } + dataPriv.set( dataHolder, delegateType, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this.document || this, + dataHolder = document.documentMode ? this : doc, + attaches = dataPriv.get( dataHolder, delegateType ) - 1; + + if ( !attaches ) { + if ( document.documentMode ) { + this.removeEventListener( delegateType, focusMappedHandler ); + } else { + doc.removeEventListener( type, focusMappedHandler, true ); + } + dataPriv.remove( dataHolder, delegateType ); + } else { + dataPriv.set( dataHolder, delegateType, attaches ); + } + } + }; +} ); + // Create mouseenter/leave events using mouseover/out and event-time checks // so that event delegation works in jQuery. // Do the same for pointerenter/pointerleave and pointerover/pointerout // // Support: Safari 7 only // Safari sends mouseenter too often; see: -// https://code.google.com/p/chromium/issues/detail?id=470258 +// https://bugs.chromium.org/p/chromium/issues/detail?id=470258 // for the description of the bug (it existed in older Chrome versions as well). jQuery.each( { mouseenter: "mouseover", @@ -5645,171 +5730,6 @@ jQuery.each( { }; } ); -// IE submit delegation -if ( !support.submit ) { - - jQuery.event.special.submit = { - setup: function() { - - // Only need this for delegated form submit events - if ( jQuery.nodeName( this, "form" ) ) { - return false; - } - - // Lazy-add a submit handler when a descendant form may potentially be submitted - jQuery.event.add( this, "click._submit keypress._submit", function( e ) { - - // Node name check avoids a VML-related crash in IE (#9807) - var elem = e.target, - form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? - - // Support: IE <=8 - // We use jQuery.prop instead of elem.form - // to allow fixing the IE8 delegated submit issue (gh-2332) - // by 3rd party polyfills/workarounds. - jQuery.prop( elem, "form" ) : - undefined; - - if ( form && !jQuery._data( form, "submit" ) ) { - jQuery.event.add( form, "submit._submit", function( event ) { - event._submitBubble = true; - } ); - jQuery._data( form, "submit", true ); - } - } ); - - // return undefined since we don't need an event listener - }, - - postDispatch: function( event ) { - - // If form was submitted by the user, bubble the event up the tree - if ( event._submitBubble ) { - delete event._submitBubble; - if ( this.parentNode && !event.isTrigger ) { - jQuery.event.simulate( "submit", this.parentNode, event ); - } - } - }, - - teardown: function() { - - // Only need this for delegated form submit events - if ( jQuery.nodeName( this, "form" ) ) { - return false; - } - - // Remove delegated handlers; cleanData eventually reaps submit handlers attached above - jQuery.event.remove( this, "._submit" ); - } - }; -} - -// IE change delegation and checkbox/radio fix -if ( !support.change ) { - - jQuery.event.special.change = { - - setup: function() { - - if ( rformElems.test( this.nodeName ) ) { - - // IE doesn't fire change on a check/radio until blur; trigger it on click - // after a propertychange. Eat the blur-change in special.change.handle. - // This still fires onchange a second time for check/radio after blur. - if ( this.type === "checkbox" || this.type === "radio" ) { - jQuery.event.add( this, "propertychange._change", function( event ) { - if ( event.originalEvent.propertyName === "checked" ) { - this._justChanged = true; - } - } ); - jQuery.event.add( this, "click._change", function( event ) { - if ( this._justChanged && !event.isTrigger ) { - this._justChanged = false; - } - - // Allow triggered, simulated change events (#11500) - jQuery.event.simulate( "change", this, event ); - } ); - } - return false; - } - - // Delegated event; lazy-add a change handler on descendant inputs - jQuery.event.add( this, "beforeactivate._change", function( e ) { - var elem = e.target; - - if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "change" ) ) { - jQuery.event.add( elem, "change._change", function( event ) { - if ( this.parentNode && !event.isSimulated && !event.isTrigger ) { - jQuery.event.simulate( "change", this.parentNode, event ); - } - } ); - jQuery._data( elem, "change", true ); - } - } ); - }, - - handle: function( event ) { - var elem = event.target; - - // Swallow native change events from checkbox/radio, we already triggered them above - if ( this !== elem || event.isSimulated || event.isTrigger || - ( elem.type !== "radio" && elem.type !== "checkbox" ) ) { - - return event.handleObj.handler.apply( this, arguments ); - } - }, - - teardown: function() { - jQuery.event.remove( this, "._change" ); - - return !rformElems.test( this.nodeName ); - } - }; -} - -// Support: Firefox -// Firefox doesn't have focus(in | out) events -// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 -// -// Support: Chrome, Safari -// focus(in | out) events fire after focus & blur events, -// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order -// Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857 -if ( !support.focusin ) { - jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { - - // Attach a single capturing handler on the document while someone wants focusin/focusout - var handler = function( event ) { - jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); - }; - - jQuery.event.special[ fix ] = { - setup: function() { - var doc = this.ownerDocument || this, - attaches = jQuery._data( doc, fix ); - - if ( !attaches ) { - doc.addEventListener( orig, handler, true ); - } - jQuery._data( doc, fix, ( attaches || 0 ) + 1 ); - }, - teardown: function() { - var doc = this.ownerDocument || this, - attaches = jQuery._data( doc, fix ) - 1; - - if ( !attaches ) { - doc.removeEventListener( orig, handler, true ); - jQuery._removeData( doc, fix ); - } else { - jQuery._data( doc, fix, attaches ); - } - } - }; - } ); -} - jQuery.fn.extend( { on: function( types, selector, data, fn ) { @@ -5853,154 +5773,89 @@ jQuery.fn.extend( { return this.each( function() { jQuery.event.remove( this, types, fn, selector ); } ); - }, - - trigger: function( type, data ) { - return this.each( function() { - jQuery.event.trigger( type, data, this ); - } ); - }, - triggerHandler: function( type, data ) { - var elem = this[ 0 ]; - if ( elem ) { - return jQuery.event.trigger( type, data, elem, true ); - } } } ); -var rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g, - rnoshimcache = new RegExp( "<(?:" + nodeNames + ")[\\s/>]", "i" ), - rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi, +var - // Support: IE 10-11, Edge 10240+ + // Support: IE <=10 - 11, Edge 12 - 13 only // In IE/Edge using regex groups here causes severe slowdowns. // See https://connect.microsoft.com/IE/feedback/details/1736512/ rnoInnerhtml = /\s*$/g, - safeFragment = createSafeFragment( document ), - fragmentDiv = safeFragment.appendChild( document.createElement( "div" ) ); -// Support: IE<8 -// Manipulating tables requires a tbody + rcleanScript = /^\s*\s*$/g; + +// Prefer a tbody over its parent table for containing new rows function manipulationTarget( elem, content ) { - return jQuery.nodeName( elem, "table" ) && - jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ? + if ( nodeName( elem, "table" ) && + nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { - elem.getElementsByTagName( "tbody" )[ 0 ] || - elem.appendChild( elem.ownerDocument.createElement( "tbody" ) ) : - elem; + return jQuery( elem ).children( "tbody" )[ 0 ] || elem; + } + + return elem; } // Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { - elem.type = ( jQuery.find.attr( elem, "type" ) !== null ) + "/" + elem.type; + elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; return elem; } function restoreScript( elem ) { - var match = rscriptTypeMasked.exec( elem.type ); - if ( match ) { - elem.type = match[ 1 ]; + if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { + elem.type = elem.type.slice( 5 ); } else { elem.removeAttribute( "type" ); } + return elem; } function cloneCopyEvent( src, dest ) { - if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) { - return; - } + var i, l, type, pdataOld, udataOld, udataCur, events; - var type, i, l, - oldData = jQuery._data( src ), - curData = jQuery._data( dest, oldData ), - events = oldData.events; - - if ( events ) { - delete curData.handle; - curData.events = {}; - - for ( type in events ) { - for ( i = 0, l = events[ type ].length; i < l; i++ ) { - jQuery.event.add( dest, type, events[ type ][ i ] ); - } - } - } - - // make the cloned public data object a copy from the original - if ( curData.data ) { - curData.data = jQuery.extend( {}, curData.data ); - } -} - -function fixCloneNodeIssues( src, dest ) { - var nodeName, e, data; - - // We do not need to do anything for non-Elements if ( dest.nodeType !== 1 ) { return; } - nodeName = dest.nodeName.toLowerCase(); + // 1. Copy private data: events, handlers, etc. + if ( dataPriv.hasData( src ) ) { + pdataOld = dataPriv.get( src ); + events = pdataOld.events; - // IE6-8 copies events bound via attachEvent when using cloneNode. - if ( !support.noCloneEvent && dest[ jQuery.expando ] ) { - data = jQuery._data( dest ); + if ( events ) { + dataPriv.remove( dest, "handle events" ); - for ( e in data.events ) { - jQuery.removeEvent( dest, e, data.handle ); + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); + } + } } - - // Event data gets referenced instead of copied if the expando gets copied too - dest.removeAttribute( jQuery.expando ); } - // IE blanks contents when cloning scripts, and tries to evaluate newly-set text - if ( nodeName === "script" && dest.text !== src.text ) { - disableScript( dest ).text = src.text; - restoreScript( dest ); + // 2. Copy user data + if ( dataUser.hasData( src ) ) { + udataOld = dataUser.access( src ); + udataCur = jQuery.extend( {}, udataOld ); - // IE6-10 improperly clones children of object elements using classid. - // IE10 throws NoModificationAllowedError if parent is null, #12132. - } else if ( nodeName === "object" ) { - if ( dest.parentNode ) { - dest.outerHTML = src.outerHTML; - } + dataUser.set( dest, udataCur ); + } +} - // This path appears unavoidable for IE9. When cloning an object - // element in IE9, the outerHTML strategy above is not sufficient. - // If the src has innerHTML and the destination does not, - // copy the src.innerHTML into the dest.innerHTML. #10324 - if ( support.html5Clone && ( src.innerHTML && !jQuery.trim( dest.innerHTML ) ) ) { - dest.innerHTML = src.innerHTML; - } +// Fix IE bugs, see support tests +function fixInput( src, dest ) { + var nodeName = dest.nodeName.toLowerCase(); - } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + // Fails to persist the checked state of a cloned checkbox or radio button. + if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + dest.checked = src.checked; - // IE6-8 fails to persist the checked state of a cloned checkbox - // or radio button. Worse, IE6-7 fail to give the cloned element - // a checked appearance if the defaultChecked value isn't also set - - dest.defaultChecked = dest.checked = src.checked; - - // IE6-7 get confused and end up setting the value of a cloned - // checkbox/radio button to an empty string instead of "on" - if ( dest.value !== src.value ) { - dest.value = src.value; - } - - // IE6-8 fails to return the selected option to the default selected - // state when cloning options - } else if ( nodeName === "option" ) { - dest.defaultSelected = dest.selected = src.defaultSelected; - - // IE6-8 fails to set the defaultValue to the correct value when - // cloning other types of input fields + // Fails to return the selected option to the default selected state when cloning options } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } @@ -6009,23 +5864,22 @@ function fixCloneNodeIssues( src, dest ) { function domManip( collection, args, callback, ignored ) { // Flatten any nested arrays - args = concat.apply( [], args ); + args = flat( args ); - var first, node, hasScripts, - scripts, doc, fragment, + var fragment, first, scripts, hasScripts, node, doc, i = 0, l = collection.length, iNoClone = l - 1, value = args[ 0 ], - isFunction = jQuery.isFunction( value ); + valueIsFunction = isFunction( value ); // We can't cloneNode fragments that contain checked, in WebKit - if ( isFunction || + if ( valueIsFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return collection.each( function( index ) { var self = collection.eq( index ); - if ( isFunction ) { + if ( valueIsFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } domManip( self, args, callback, ignored ); @@ -6047,7 +5901,7 @@ function domManip( collection, args, callback, ignored ) { // Use the original fragment for the last item // instead of the first because it can end up - // being emptied incorrectly in certain situations (#8070). + // being emptied incorrectly in certain situations (trac-8070). for ( ; i < l; i++ ) { node = fragment; @@ -6057,7 +5911,7 @@ function domManip( collection, args, callback, ignored ) { // Keep references to cloned scripts for later restoration if ( hasScripts ) { - // Support: Android<4.1, PhantomJS<2 + // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( scripts, getAll( node, "script" ) ); } @@ -6069,34 +5923,36 @@ function domManip( collection, args, callback, ignored ) { if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument; - // Reenable scripts + // Re-enable scripts jQuery.map( scripts, restoreScript ); // Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && - !jQuery._data( node, "globalEval" ) && + !dataPriv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { - if ( node.src ) { + if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { // Optional AJAX dependency, but won't run scripts if not present - if ( jQuery._evalUrl ) { - jQuery._evalUrl( node.src ); + if ( jQuery._evalUrl && !node.noModule ) { + jQuery._evalUrl( node.src, { + nonce: node.nonce || node.getAttribute( "nonce" ) + }, doc ); } } else { - jQuery.globalEval( - ( node.text || node.textContent || node.innerHTML || "" ) - .replace( rcleanScript, "" ) - ); + + // Unwrap a CDATA section containing script contents. This shouldn't be + // needed as in XML documents they're already not visible when + // inspecting element contents and in HTML documents they have no + // meaning but we're preserving that logic for backwards compatibility. + // This will be removed completely in 4.0. See gh-4904. + DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); } } } } - - // Fix #11809: Avoid leaking memory - fragment = first = null; } } @@ -6105,17 +5961,16 @@ function domManip( collection, args, callback, ignored ) { function remove( elem, selector, keepData ) { var node, - elems = selector ? jQuery.filter( selector, elem ) : elem, + nodes = selector ? jQuery.filter( selector, elem ) : elem, i = 0; - for ( ; ( node = elems[ i ] ) != null; i++ ) { - + for ( ; ( node = nodes[ i ] ) != null; i++ ) { if ( !keepData && node.nodeType === 1 ) { jQuery.cleanData( getAll( node ) ); } if ( node.parentNode ) { - if ( keepData && jQuery.contains( node.ownerDocument, node ) ) { + if ( keepData && isAttached( node ) ) { setGlobalEval( getAll( node, "script" ) ); } node.parentNode.removeChild( node ); @@ -6127,38 +5982,25 @@ function remove( elem, selector, keepData ) { jQuery.extend( { htmlPrefilter: function( html ) { - return html.replace( rxhtmlTag, "<$1>" ); + return html; }, clone: function( elem, dataAndEvents, deepDataAndEvents ) { - var destElements, node, clone, i, srcElements, - inPage = jQuery.contains( elem.ownerDocument, elem ); + var i, l, srcElements, destElements, + clone = elem.cloneNode( true ), + inPage = isAttached( elem ); - if ( support.html5Clone || jQuery.isXMLDoc( elem ) || - !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) { + // Fix IE cloning issues + if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && + !jQuery.isXMLDoc( elem ) ) { - clone = elem.cloneNode( true ); - - // IE<=8 does not properly clone detached, unknown element nodes - } else { - fragmentDiv.innerHTML = elem.outerHTML; - fragmentDiv.removeChild( clone = fragmentDiv.firstChild ); - } - - if ( ( !support.noCloneEvent || !support.noCloneChecked ) && - ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) { - - // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 + // We eschew jQuery#find here for performance reasons: + // https://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem ); - // Fix all IE cloning issues - for ( i = 0; ( node = srcElements[ i ] ) != null; ++i ) { - - // Ensure that the destination node is not null; Fixes #9587 - if ( destElements[ i ] ) { - fixCloneNodeIssues( node, destElements[ i ] ); - } + for ( i = 0, l = srcElements.length; i < l; i++ ) { + fixInput( srcElements[ i ], destElements[ i ] ); } } @@ -6168,8 +6010,8 @@ jQuery.extend( { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone ); - for ( i = 0; ( node = srcElements[ i ] ) != null; i++ ) { - cloneCopyEvent( node, destElements[ i ] ); + for ( i = 0, l = srcElements.length; i < l; i++ ) { + cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); @@ -6182,27 +6024,18 @@ jQuery.extend( { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); } - destElements = srcElements = node = null; - // Return the cloned set return clone; }, - cleanData: function( elems, /* internal */ forceAcceptData ) { - var elem, type, id, data, - i = 0, - internalKey = jQuery.expando, - cache = jQuery.cache, - attributes = support.attributes, - special = jQuery.event.special; + cleanData: function( elems ) { + var data, elem, type, + special = jQuery.event.special, + i = 0; - for ( ; ( elem = elems[ i ] ) != null; i++ ) { - if ( forceAcceptData || acceptData( elem ) ) { - - id = elem[ internalKey ]; - data = id && cache[ id ]; - - if ( data ) { + for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { + if ( acceptData( elem ) ) { + if ( ( data = elem[ dataPriv.expando ] ) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { @@ -6215,27 +6048,15 @@ jQuery.extend( { } } - // Remove cache only if it was not already removed by jQuery.event.remove - if ( cache[ id ] ) { + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataPriv.expando ] = undefined; + } + if ( elem[ dataUser.expando ] ) { - delete cache[ id ]; - - // Support: IE<9 - // IE does not allow us to delete expando properties from nodes - // IE creates expando attributes along with the property - // IE does not have a removeAttribute function on Document nodes - if ( !attributes && typeof elem.removeAttribute !== "undefined" ) { - elem.removeAttribute( internalKey ); - - // Webkit & Blink performance suffers when deleting properties - // from DOM nodes, so set to undefined instead - // https://code.google.com/p/chromium/issues/detail?id=378607 - } else { - elem[ internalKey ] = undefined; - } - - deletedIds.push( id ); - } + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataUser.expando ] = undefined; } } } @@ -6243,10 +6064,6 @@ jQuery.extend( { } ); jQuery.fn.extend( { - - // Keep domManip exposed until 3.0 (gh-2225) - domManip: domManip, - detach: function( selector ) { return remove( this, selector, true ); }, @@ -6259,9 +6076,11 @@ jQuery.fn.extend( { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : - this.empty().append( - ( this[ 0 ] && this[ 0 ].ownerDocument || document ).createTextNode( value ) - ); + this.empty().each( function() { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + this.textContent = value; + } + } ); }, null, value, arguments.length ); }, @@ -6304,21 +6123,13 @@ jQuery.fn.extend( { i = 0; for ( ; ( elem = this[ i ] ) != null; i++ ) { - - // Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { + + // Prevent memory leaks jQuery.cleanData( getAll( elem, false ) ); - } - // Remove any remaining nodes - while ( elem.firstChild ) { - elem.removeChild( elem.firstChild ); - } - - // If this is a select, ensure that it displays empty (#12336) - // Support: IE<9 - if ( elem.options && jQuery.nodeName( elem, "select" ) ) { - elem.options.length = 0; + // Remove any remaining nodes + elem.textContent = ""; } } @@ -6340,25 +6151,21 @@ jQuery.fn.extend( { i = 0, l = this.length; - if ( value === undefined ) { - return elem.nodeType === 1 ? - elem.innerHTML.replace( rinlinejQuery, "" ) : - undefined; + if ( value === undefined && elem.nodeType === 1 ) { + return elem.innerHTML; } // See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && - ( support.htmlSerialize || !rnoshimcache.test( value ) ) && - ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { value = jQuery.htmlPrefilter( value ); try { for ( ; i < l; i++ ) { + elem = this[ i ] || {}; // Remove element nodes and prevent memory leaks - elem = this[ i ] || {}; if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; @@ -6405,298 +6212,31 @@ jQuery.each( { }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, - i = 0, ret = [], insert = jQuery( selector ), - last = insert.length - 1; + last = insert.length - 1, + i = 0; for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems ); - // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get() + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit push.apply( ret, elems.get() ); } return this.pushStack( ret ); }; } ); - - -var iframe, - elemdisplay = { - - // Support: Firefox - // We have to pre-define these values for FF (#10227) - HTML: "block", - BODY: "block" - }; - -/** - * Retrieve the actual display of a element - * @param {String} name nodeName of the element - * @param {Object} doc Document object - */ - -// Called only from within defaultDisplay -function actualDisplay( name, doc ) { - var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ), - - display = jQuery.css( elem[ 0 ], "display" ); - - // We don't have any data stored on the element, - // so use "detach" method as fast way to get rid of the element - elem.detach(); - - return display; -} - -/** - * Try to determine the default display value of an element - * @param {String} nodeName - */ -function defaultDisplay( nodeName ) { - var doc = document, - display = elemdisplay[ nodeName ]; - - if ( !display ) { - display = actualDisplay( nodeName, doc ); - - // If the simple way fails, read from inside an iframe - if ( display === "none" || !display ) { - - // Use the already-created iframe if possible - iframe = ( iframe || jQuery( "