Use jQuery to create a simple drop-down box example-JS Tutorial-php.cn

Use jQuery to create a simple drop-down box example

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Release： 2017-03-31 09:22:00

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Let’s take a look at the renderings first:

Use jQuery to create a simple drop-down box example

Everyone must have seen web pages with similar effects. How to achieve them? , the code is very simple:

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
* { margin:0; padding:0; }
p.centent {
  float:left;
  text-align: center;
  margin: 10px;
}
span { 
 display:block; 
 margin:2px 2px;
 padding:4px 10px; 
 background:#898989;
 cursor:pointer;
 font-size:12px;
 color:white;
}
</style>
<!--  引入jQuery -->
<script src="jquery-2.1.0.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
 //移到右边
 $(&#39;#add&#39;).click(function() {
 //获取选中的选项，删除并追加给对方
 $(&#39;#select1 option:selected&#39;).appendTo(&#39;#select2&#39;);
 });
 //移到左边
 $(&#39;#remove&#39;).click(function() {
 $(&#39;#select2 option:selected&#39;).appendTo(&#39;#select1&#39;);
 });
 //全部移到右边
 $(&#39;#add_all&#39;).click(function() {
 //获取全部的选项,删除并追加给对方
 $(&#39;#select1 option&#39;).appendTo(&#39;#select2&#39;);
 });
 //全部移到左边
 $(&#39;#remove_all&#39;).click(function() {
 $(&#39;#select2 option&#39;).appendTo(&#39;#select1&#39;);
 });
 //双击选项
 $(&#39;#select1&#39;).dblclick(function(){ //绑定双击事件
 //获取全部的选项,删除并追加给对方
 $("option:selected",this).appendTo(&#39;#select2&#39;); //追加给对方
 });
 //双击选项
 $(&#39;#select2&#39;).dblclick(function(){
  $("option:selected",this).appendTo(&#39;#select1&#39;);
 });
});
</script>

</head>
<body>
 <p class="centent">
 <select multiple="multiple" id="select1" style="width:100px;height:160px;">
  <option value="1">曹操</option>
  <option value="2">曹昂</option>
  <option value="3">曹丕</option>
  <option value="4">曹彰</option>
  <option value="5">曹植</option>
  <option value="6">曹熊</option>
  <option value="7">曹仁</option>
  <option value="8">曹洪</option>
  <option value="9">曹休</option>
  <option value="10">曹真</option>
  <option value="11">曹爽</option>
 </select>
 <p>
  <span id="add" >选中添加到右边>></span>
  <span id="add_all" >全部添加到右边>></span>
 </p>
 </p>
 <p class="centent">
 <select multiple="multiple" id="select2" style="width: 100px;height:160px;">
  <option value="12">曹芳</option>
 </select>
 <p>
  <span id="remove"><<选中删除到左边</span>
  <span id="remove_all"><<全部删除到左边</span>
 </p>
 </p>
</body>
</html>

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Functions implemented by the code:

1), add the selected options to the other party

2), add all options to The other party

3), double-click an option to add it to the other party

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