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js实现的四级左侧网站分类菜单实例


   本文实例讲述了js实现的四级左侧网站分类菜单。分享给大家供大家参考。具体实现方法如下:

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<!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" xml:lang="en" lang="en">

<head>

<meta http-equiv="Content-Type" content="text/html;

charset=iso-8859-1"/>

<script src="http://www.google-analytics.com/urchin.js"

type="text/javascript">

</script>

<script type="text/javascript">

_uacct = "UA-152060-1";

urchinTracker();

</script>

<title>demo</title>

<style type="text/css">

<!--

body {

font-family: Arial, Helvetica, sans-serif;

font-size: 11px;

}

#nav, #nav ul {

list-style: none;

background: #F9F9F9;

font-weight: bold;

padding: 0px;

margin: 0px;

border: solid 1px #CCCCCC;

border-bottom: 0px;

width: 150px;

text-align: left;

}

#nav ul ul{

border: solid 1px #CCCCCC;

border-bottom: 0px;

}

#nav a {

display: block;

width: 150px;

w\idth: 140px;

color: #333333;

text-decoration: none;

text-align: center;

border-bottom: solid 1px #CCCCCC;

text-align: left;

padding-left: 10px;

}

#nav a:hover{

color: #336666;

}

#nav a.selected{

background: url(/images/bb_expand.gif) no-repeat right 50%;

}

#nav li {

line-height: 22px;

position: relative;

}

#nav li ul {

position: absolute;

left: -999em;

width: 150px;

font-weight: normal;

margin: 0px;

padding: 0px;

}

#nav li li {

width: 150px;

}

#nav li ul a {

width: 150px;

w\idth: 126px;

padding: 0px 12px;

line-height: 22px;

text-align: left;

}

#nav li ul ul {

margin: 0px 0 0 150px;

}

#nav li:hover ul ul,#nav li.sfhover ul ul,#nav li:hover ul ul ul{

left: -999em;

}

#nav li:hover ul, #nav li li:hover ul,#nav li.sfhover ul, #nav li li.sfhover ul,#nav li li li:hover ul

{

left: auto;

}

#nav li:hover ul,#nav li.sfhover ul{

left: 150px;

top: 0px;

}

#nav li:hover, #nav li.sfhover {

background: #F5E3C0;

}

* html #nav li {

float: left;

height: 1%;

}

* html #nav li a {

height: 1%;

}

-->

</style>

<script type="text/javascript">

<!--//--><![CDATA[//><!--

sfHover = function() {

var sfEls = document.getElementById("nav").getElementsByTagName("LI");

for (var i=0; i<sfEls.length; i++) {

sfEls[i].onmouseover=function() {

this.className+=" sfhover";

}

sfEls[i].onmouseout=function() {

this.className=this.className.replace(new RegExp(" sfhover\\b"),"");

}

}

}

if (window.attachEvent) window.attachEvent("onload", sfHover);

//--><!]]>

</script>

</head>

<body>

<p><a href="javascript:history.back()">Back</a></p>

<ul id="nav">

<li><a href="">Home</a></li>

<li><a href="/aboutme.html">About Me</a></li>

<li><a class="selected" href="/tutorials.html">Tutorials</a>

<ul>

<li><a href="#">Sub Menu 31</a></li>

<li><a class="selected" href="#">Sub Menu 32</a>

<ul>

<li><a class="selected"href="#">Sub Menu 321</a><ul>

<li><a href="#">Sub Menu 321</a></li>

</ul></li>

<li><a href="#">Sub Menu 322</a></li>

<li><a href="#">Sub Menu 323</a></li>

<li><a class="selected"href="#">Sub Menu 324</a><ul>

<li><a href="#">Sub Menu 321</a></li>

<li><a href="#">Sub Menu 322</a></li>

<li><a href="#">Sub Menu 323</a></li>

<li><a href="#">Sub Menu 324</a></li>

</ul></li>

</ul>

</li>

<li><a href="#">Sub Menu 33</a></li>

<li><a href="#">Sub Menu 34</a></li>

</ul>

</li>

<li><a class="selected" href="/gallery/gallery.html">Gallery</a>

<ul>

<li><a href="#">Sub Menu 41</a></li>

<li><a class="selected" href="#">Sub Menu 42</a>

<ul>

<li><a href="#">Sub Menu 421</a></li>

<li><a href="#">Sub Menu 422</a></li>

<li><a href="#">Sub Menu 423</a></li>

<li><a href="#">Sub Menu 424</a></li>

</ul>

</li>

<li><a href="#">Sub Menu 43</a></li>

<li><a href="#">Sub Menu 44</a></li>

</ul>

</li>

<li><a href="#">Contact Me</a></li>

</ul>

</body>

</html>

  希望本文所述对大家的javascript程序设计有所帮助。

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www.bkjia.comtruehttp://www.bkjia.com/Javascript/995404.htmlTechArticlejs实现的四级左侧网站分类菜单实例 本文实例讲述了js实现的四级左侧网站分类菜单。分享给大家供大家参考。具体实现方法如下: ? 1 2...

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