javascript

Jquery多选框互相内容交换 

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<head runat="server">
    <title>无标题页</title>
    <script type="text/javascript" src="js/jquery-1.4.2.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
          
            // 把选择项追加给对方
            $('#add').click(function(){
            var options=$('#select1 option:selected');
            var remove=options.remove();
            remove.appendTo("#select2");
            });
       
            // 把所有项追加给对方
            $('#addAll').click(function(){
            var options=$('#select1 option');
            var remove=options.remove();
            remove.appendTo("#select2");
            });
          
            // 把选择项退回给对方
            $('#remove').click(function(){
            var options=$('#select2 option:selected');
            var remove=options.remove();
            remove.appendTo("#select1");
            });
          
            // 把全部项退回给对方
            $('#removeAll').click(function(){
            var options=$('#select2 option');
            var remove=options.remove();
            remove.appendTo("#select1");
            });
                
        });
    </script>
 
</head>
<body>
    <form id="form1" runat="server">
    <div id="left">
        <select multiple="multiple" id="select1" style="width:100px;height:160px">
        <option>选项1</option>
        <option>选项2</option>
        <option>选项3</option>
        <option>选项4</option>
        <option>选项5</option>
        </select>
    </div>
    <div>
        <span id="add">选中项添加至右边>></span><br />
        <span id="addAll">全部添加到右边>></span>
    </div>
  
    <div id="right">
        <select multiple="multiple" id="select2" style="width:100px;height:160px"></select>
    </div>
    <div>
        <span id="remove"><<选中项还原至左边</span><br />
        <span id="removeAll"><<全部还原至左边</span>
    </div>
    </form>
</body>