<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <style> *{margin:0;padding:0;} ul{list-style:none;} #content{width:300px;border:1px solid #ccc;margin:20px auto;} #content ul{width:300px;} #content ul li,#content div{width:300px;height:50px;line-height:50px;border-bottom:1px dotted #ccc;text-indent:20px;} #content ul li:nth-child(odd) {background:#f1f1f1;} #content ul li.active,#content ul li:hover{background:#99FFCC;} </style> <script> window.onload = function () { var oDiv = document.getElementById('content'); var checkAll = document.getElementById('checkAll'); var aLi = oDiv.getElementsByTagName('li'); var aInput = oDiv.getElementsByTagName('input'); for ( var i = 0; i < aInput.length; i++ ) { aInput[i].index = i; aInput[i].onclick = function () { aLi[this.index].className = this.checked ? 'active' : ''; } } checkAll.onclick = function () { for ( var i = 0; i < aInput.length; i++ ) { if(!aInput[i].checked) aInput[i].checked = true; aLi[i].className = 'active'; } } } </script> </head> <body> <div> <ul> <li> <input type="checkbox"/> <span>私奔</span> <span>梁博</span> </li> <li> <input type="checkbox"/> <span>北京</span> <span>杜甫</span> </li> <li> <input type="checkbox"/> <span>花人</span> <span>李白</span> </li> <li> <input type="checkbox"/> <span>神话</span> <span>光良</span> </li> <li> <input type="checkbox"/> <span>神话</span> <span>光良</span> </li> <li> <input type="checkbox"/> <span>神话</span> <span>光良</span> </li> <li> <input type="checkbox"/> <span>神话</span> <span>光良</span> </li> <li> <input type="checkbox"/> <span>神话</span> <span>光良</span> </li> <li> <input type="checkbox"/> <span>神话</span> <span>光良</span> </li> </ul> <div> <input type="checkbox" />全选 </div> </div> </body> </html>