导航菜单比较实用,当然还是选择经典的,代码最少的,效果最好的喽,各位童鞋请围观哦,废话不说, 
效果图如下,欢迎评价: 

看代码:
复制代码 代码如下:
 
<!DOCTYPE html > 
<html> 
<head> 
<title>一款带动画效果的经典二级导航菜单Jquery特效</title> 
<meta content="Jquery" /> 
<meta content="Jquery,Jquery资源,前端设计,div+css" /> 
<style> 
html, body, ul, li, h1, h2, h3, h4, h5, h6, fieldset, legend {padding:0; margin:0;} 
body {font:12px/normal Verdana, Arial, Helvetica, sans-serif;} 
ul,li {list-style-type:none; text-transform:capitalize;} 
clear{clear:both;height:0;font-size: 1px;line-height: 0px;}//清除浮动哦 
/*menu*/ 
#nav {margin:0 auto 60px; width:1080px; display:block;} 
mainlevel {background:#ffe60c; float:left; border-right:1px solid #fff; width:140px;} 
mainlevel a {color:#000; text-decoration:none; line-height:32px; display:block; padding:0 20px; width:100px; font-weight:bold;} 
mainlevel a:hover {color:#fff; text-decoration:none; background:#062723 0 0; font-weight:bold;} 
mainlevel ul {display:none; position:absolute;} 
mainlevel li {border-top:1px solid #fff; background:#ffe60c; width:140px;font-weight:bold;} 
</style> 
<script type="text/javascript" src="https://jt.875.cn/js/jquery.js"></script> 
<script type="text/javascript" > 
$(function(){ 
$('li.mainlevel').hover(function(){ 
$(this).find('ul').slideDown(500);//鼠标滑过找到当前的UL,向下滑出显示子菜单 
},function(){ 
$(this).find('ul').stop(true,false).slideUp("fast"); 
}); 
}); 
</script> 
</head> 
<body> 
<ul> 
<li><a href="https://www.875.cn/" target="_blank">Jquery插件</a> 
<ul > 
<li><a href="https://www.875.cn/" target="_blank">JavaScript</a></li> 
<li><a href="https://www.875.cn/" target="_blank">jQuery</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideUp</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideDown</a></li> 
<li><a href="https://www.875.cn/" target="_blank">up and down</a></li> 
<li><a href="https://www.875.cn/" target="_blank">animate</a></li> 
</ul> 
</li> 
<li><a href="https://www.875.cn/" target="_blank">Jquery资源</a> 
<ul> 
<li><a href="https://www.875.cn/" target="_blank">JavaScript</a></li> 
<li><a href="https://www.875.cn/" target="_blank">jQuery</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideUp</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideDown</a></li> 
<li><a href="https://www.875.cn/" target="_blank">up and down</a></li> 
<li><a href="https://www.875.cn/" target="_blank">animate</a></li> 
</ul> 
</li> 
<li><a href="https://www.875.cn/" target="_blank">Jquery特效</a> 
<ul> 
<li><a href="https://www.875.cn/" target="_blank">JavaScript</a></li> 
<li><a href="https://www.875.cn/" target="_blank">jQuery</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideUp</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideDown</a></li> 
<li><a href="https://www.875.cn/" target="_blank">up and down</a></li> 
<li><a href="https://www.875.cn/" target="_blank">animate</a></li> 
</ul> 
</li> 
<li ><a href="https://www.875.cn/" target="_blank">Jquery学堂</a> 
<ul > 
<li><a href="https://www.875.cn/" target="_blank">JavaScript</a></li> 
<li><a href="https://www.875.cn/" target="_blank">jQuery</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideUp</a></li> 
<li><a href="https://www.875.cn/" target="_blank">slideDown</a></li> 
<li><a href="https://www.875.cn/" target="_blank">up and down</a></li> 
<li><a href="https://www.875.cn/" target="_blank">animate</a></li> 
</ul> 
</li> 
<li ><a href="https://www.875.cn/" target="_blank">分享快乐</a> 
<ul > 
<li><a href="https://www.nifengla.com/" target="_blank">JavaScript</a></li> 
<li><a href="https://www.nifengla.com/" target="_blank">jQuery</a></li> 
<li><a href="https://www.nifengla.com/" target="_blank">slideUp</a></li> 
<li><a href="https://www.nifengla.com/" target="_blank">slideDown</a></li> 
<li><a href="https://www.nifengla.com/" target="_blank">up and down</a></li> 
<li><a href="https://www.nifengla.com/" target="_blank">animate</a></li> 
</ul> 
</li> 
<div></div> 
</ul> 
</body> 
</html> 
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