<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script type="text/javascript" src="../js/jquery-1.8.3.js"></script> <style type="text/css"> * { margin:0; padding:0; } div.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> </head> <body> <div class="centent"> <select multiple="multiple" id="select1" style="width:100px;height:160px;"> <option value="1">选项1</option> <option value="2">选项2</option> <option value="3">选项3</option> <option value="4">选项4</option> <option value="5">选项5</option> <option value="6">选项6</option> <option value="7">选项7</option> </select> <div> <span id="add" >选中添加到右边>></span> <span id="add_all" >全部添加到右边>></span> </div> </div> <div class="centent"> <select multiple="multiple" id="select2" style="width: 100px;height:160px;"> <option value="8">选项8</option> </select> <div> <span id="remove"><<选中删除到左边</span> <span id="remove_all"><<全部删除到左边</span> </div> </div> </body> <script type="text/javascript"> /** 1.先获取到select1的标签 2.获取到select1下所有的option标签 3.判断哪一个option标签被选中了 4.被选中的标签添加到select2标签的下面 */ document.getElementById("add").onclick=function(){ var select1=document.getElementById("select1"); var select2=document.getElementById("select2"); var ops=select1.getElementsByTagName("option"); for(var i=0;i<ops.length;i++){ var op=ops[i]; if(op.selected==true){ //被选中，把这个选项添加到select2 select2.appendChild(op); i--; } } } document.getElementById("add_all").onclick=function(){ var select1=document.getElementById("select1"); var select2=document.getElementById("select2"); var ops=select1.getElementsByTagName("option"); for(var i=0;i<ops.length;i++){ select2.appendChild(ops[i]); i--; } } //jquery的方式 $(function(){ $("#add").click(function(){ //先获取select1下所有被选中的option的元素，添加到select2中取 $("#select2").append($("#select1 option:selected")); }); ("#add_all").click(function(){ $("#select2").append($("#select1 option")); }); }) </script> </html>