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<title>03.下滑线跟随导航</title>
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ul{list-style:none;z-index:20;position:relative;font-size:15px;}
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function(){
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$(‘.block’).stop().animate({left:’0px’},300)
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<body>
<div class="menu">
<ul>
<li name="0">首页</li>
<li name="1">php中文网</li>
<li name="2">独孤九剑</li>
<li name="3">西门大官人</li>
<li name="4">灭绝师太</li>
</ul>
<div class="block" style="z-index:10;width:100px;height:2px;background:#fff;position:absolute;top:30px;"></div>
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