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添加判断 有值时才覆盖placeholder
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@ -315,9 +315,11 @@ layui.define(['lay', 'layer', 'util'], function(exports){
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}
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// 删除input已有文本并放入 placeholder,方便输入
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input.attr('placeholder', input.val());
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input.val(''); // 清空输入框的值
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if (input.val()) {
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// 有值时才删除并替换placeholder
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input.attr('placeholder', input.val());
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input.val(''); // 清空输入框的值
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}
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followScroll();
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}
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