<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>动画菜单</title>
<style type="text/css">
* { margin: 0; padding: 0; font-size: 14px; }
a { color: #333; text-decoration: none }
ul{ list-style: none; }
.nav {height: 30px; border-bottom: 5px solid #F60; margin-left:50px; width:600px;}
.nav li { float: left; position:relative; height:30px; width:120px }
.nav li a { display: block; height: 30px; text-align: center; line-height: 30px; width:120px; background: #efefef; margin-left: 1px; }
.subNav{ position:absolute; top:30px; left:0; width:120px; height:120px; overflow:hidden;display: none;}
.subNav li a{ background:#ddd }
.subNav li a:hover{ background:#efefef}
</style>
<script src="http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js"></script>
<script>
$(function(){
var LI=$("li");
LI.mouseenter(function(){
$(this).find(".subNav").slideDown();
})
LI.mouseleave(function(){
$(this).find(".subNav").slideUp();
})
})
</script>
</head>
<body>
<ul class="nav">
<li><a href="#">一级菜单</a>
<ul class="subNav">
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
</ul>
</li>
<li><a href="#">一级菜单</a>
<ul class="subNav">
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
</ul>
</li>
<li><a href="#">一级菜单</a></li>
<li><a href="#">一级菜单</a></li>
<li><a href="#">一级菜单</a></li>
</ul>
<div id="content">
123
</div>
</body>
</html>
2 回答
已采纳
stone310
TA贡献361条经验 获得超191个赞
加上.stop(true,true)
$(function(){
var LI=$("li");
LI.mouseenter(function(){
$(this).find(".subNav").stop(true,true).slideDown();
})
LI.mouseleave(function(){
$(this).find(".subNav").stop(true,true).slideUp();
})
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