Javascript实现简单的下拉二级菜单

时间:2021-09-10 16:34:08

在线演示;http://jsfiddle.net/Web_Code/ThhbG/embedded/result/

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<head>
<meta http-equiv="content-type" content="texthtml;charset=utf-8">
<title>Menu</title>
<style type="text/css">
#nav
{
list-style: none;
text-align: center;
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#nav li
{
float: left;
width: 100px;
color: white;
background-color: #3E3E3E;
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#menu
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list-style: none;
padding: 5px;
display: none;
margin-left: -5px;
margin-top: -5px;
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#menu li
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background-color: #ccc;
width: 100px;
text-align: left;
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display: block;
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background-color:#3E3E3E;
color: white
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</head>
<body>
<ul id="nav">
<li class="child">数 据 库
<ul id="menu">
<li><a href="http://blog.csdn.net/u011043843">MySQL</a></li>
<li><a href="http://blog.csdn.net/u011043843">SQL Server</a></li>
<li><a href="http://blog.csdn.net/u011043843">Oracle</a></li>
<li><a href="http://blog.csdn.net/u011043843">DB2</a></li>
</ul>
</li>
<li class="child">前台脚本
<ul id="menu">
<li><a href="http://blog.csdn.net/u011043843">JavaScript</a></li>
<li><a href="http://blog.csdn.net/u011043843">Ruby</a></li>
<li><a href="http://blog.csdn.net/u011043843">HTML</a></li>
<li><a href="http://blog.csdn.net/u011043843">Python</a></li>
</ul>
</li>
<li class="child">后台脚本
<ul id="menu">
<li><a href="http://blog.csdn.net/u011043843">PHP</a></li>
<li><a href="http://blog.csdn.net/u011043843">ASP</a></li>
<li><a href="http://blog.csdn.net/u011043843">ASP.NET</a></li>
<li><a href="http://blog.csdn.net/u011043843">JSP</a></li>
</ul>
</li>
</ul>
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