<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> .tab { 600px; margin: 20px auto; font-family: "微软雅黑"; color: #657180; } .tab-title, .tab-content { list-style: none; margin: 0; padding: 0; } .tab-content { border: 1px solid #d7dde4; } .clear::after { clear: both; content: ""; display: block; } .tab-title li { float: left; text-align: center; padding: 5px 16px 4px; margin-right: 6px; background-color: #f5f7f9; border: 1px solid #d7dde4; border-bottom: none; cursor: pointer; position: relative; font-size: 14px; } .tab-title li:hover { color: #39f; } .tab-title li.active { background-color: #FFF; } .tab-title li.active::after { content: ""; border-bottom: 1px solid #FFFFFF; position: absolute; 100%; bottom: -1px; left: 0; } .tab-content li { display: none; 578px; height: 300px; background-color: #FFF; padding: 10px; font-size: 12px; } .tab-content li:first-child { display: block; } </style> </head> <body> <!--选项卡--> <div class="tab" id="tab1"> <ul class="tab-title clear"> <li class="active">详情</li> <li>评价</li> <li>活动</li> <li>投票</li> <li>视频</li> </ul> <ul class="tab-content"> <li>第一个</li> <li>第二个</li> <li>第三个</li> <li>第四个</li> <li>第五个</li> </ul> </div> </body> <script type="text/javascript"> window.onload = function() { var oWrap = document.getElementById("tab1"); var oTitle = oWrap.querySelectorAll(".tab-title li"); var oContent = oWrap.querySelectorAll(".tab-content li"); //绑定事件 for (var i = 0; i < oTitle.length; i++) { //存下标 oTitle[i].index = i; // oTitle[i].title = i; oTitle[i].onclick = function() { //移除所有的active for (var i = 0; i < oTitle.length; i++) { oTitle[i].className = ""; } this.className = "active"; //隐藏所有的content for (var i = 0; i < oContent.length; i++) { oContent[i].style.display = "none"; } oContent[this.index].style.display = "block"; } } } </script> </html>