这是一款完全语义化的JS网页选项卡，包括了两种用法，一种是点击式，另一种是滑动门式，具体用哪一种要根据你自己的需要了，滑动门是在鼠标经过时触发，选项卡则是需要鼠标点击的。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!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> <title>语义化的网页选项卡</title> <style type="text/css"> *{margin:0;padding:0;font-size:13px;line-height:1.5;} body{padding:20px;} .cur{color:#f60;border-bottom:1px solid #fff;font-weight:bold;background:#fff;cursor:default;} #tab_,dl{position:relative;float:left;height:100px;width:300px;} h4,dt{float:left;height:20px;margin:0 0 0 8px;display:inline;line-height:20px;width:60px;border:1px solid #ccc;position:relative;z-index:11;text-align:center;font-weight:normal;cursor:pointer;background:#eee;} .c,dd{position:absolute;top:21px;border:1px solid #ccc;left:0;width:250px;padding:20px;overflow:hidden;display:block;} #tab_{clear:left;} h1{clear:left;padding:10px 0} #tab_1.cur{color:#f60} #tab_2.cur{color:blue} #tab_3.cur{color:green} </style> </head> <body> <h1>mouseover</h1> <dl> <dt>美国</dt> <dd>我都不怕</dd> <dt>朝鲜</dt> <dd>谁都怕我</dd> <dt>某国</dt> <dd>我谁都怕</dd> </dl> <h1>click</h1> <div> <h4>orange</h4> <div>桔红</div> <h4>blue</h4> <div>蓝色</div> <h4>green</h4> <div>绿色</div> </div> <script type="text/javascript"> function id(elem) {return document.getElementById(elem)} function show(elem) {elem.style.display = "";} function hide(elem) {elem.style.display = "none";} function next( elem ) { do { elem = elem.nextSibling; } while ( elem && elem.nodeType != 1 ); return elem; } function tab(a, p) { var p = (p === undefined) ? {e:"onclick",n:1} : p, node = id(a).firstChild, x = []; p.e = (p.e === undefined) ? "onclick" : p.e; p.n = (p.n === undefined) ? 1 : p.n; node=(node.nodeType !== 1)?next(node):node; for (var i = 1, node; node; i++, node = next(node)) { x[i] = node; } for (var i = 1; x[i]; i++) { if(i % 2 == 0){hide(x[i]);x[i-1].id=a+(i/2)} x[p.n*2-1].className = "cur"; show(x[p.n*2]); temp = function (i) { if (i % 2 == 1) { x[i][p.e] = function () { for (var j = 1; x[j]; j++) { if (j % 2 == 0) { hide(x[j]); x[j-1].className = "" } } show(x[i+1]); x[i].className = "cur" } } else { return null } }(i) } } tab("tab",{e:"onmouseover",n:2}); tab("tab_") </script> </body> </html>