IE8兼容性超贊的無限級下拉菜單

2022-06-22    分類： 網(wǎng)站建設(shè)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>CSS+JS實現(xiàn)*兼容性超贊*的*無限級*下拉菜單</title>
<style type="text/css">
*{ margin:0; padding:0; border:0;}
body{font:12px/130% verdana,geneva,arial,helvetica,sans-serif,宋體;}li{list-style:none;}
.clearfix:after{content:" ";display:block;height:0;clear:both;visibility:hidden;}.clearfix{display:inline-block;}
a:link{ color:#000; text-decoration:none; }
a:visited{ color:#000; text-decoration:none; }
a:hover{ color:#000; text-decoration:none; }
.menu{ width:778px; height:26px; background:#fff; margin:0 auto;}
.menusel{ float:left;width:100px; position:relative; height:25px; background:#ddd; line-height: 25px; margin-left: 1px; *margin-left: 0px;_margin-left: -1px;}
.menusel h2{ font-size:12px; }
.menusel a{ display: block;text-align:center; width:100px;border:1px solid #a4a4a4; height:25px; border-bottom:1px solid #a4a4a4; position:relative; z-index:2;}
.menusel a:hover{ border:1px solid #a4a4a4; border-bottom:1px dashed #eeeeee; position:relative; z-index:2; height:25px;}
.ahover a{border-bottom:1px dashed #eeeeee; background:#eeeeee; }
.position{ position:absolute; z-index:1;}
.menusel ul{width:125px; background:#eee; border:1px solid #a4a4a4; margin-top: -1px; position:relative; z-index:1; display:none;}
.menusel .block{ display:block;}
.typeul li{border-bottom:1px dashed #a4a4a4;width:125px; position:relative; float:left; }
.typeul li a{ border:none;width:125px; }
.typeul li a:hover{ border:none; background:#ddd;}
.typeul{  margin-left:0;  }
.typeul ul{left:125px; top:0; position:absolute;}
.fli{ margin-left: -1px; border-left:#eeeeee solid 1px;}
.menusel .lli{ border:none; }
</style>
<script type="text/javascript">document.execCommand("BackgroundImageCache", false, true);</script><!-- IE6背景圖片閃爍問題  -->
</head>
<body>
<div class="menu">
 <div id="menu1" class="menusel">
<h2><a href="/">菜單1</a></h2>
   <div class="position">
    <ul class="clearfix typeul">
     <li><a >菜單選項1-2</a></li>
     <li>
      <a href="#">菜單選項1-2</a>
      <ul>
       <li class="fli"><a href="#">菜單選項1-2-1</a></li>
       <li class="lli"><a href="#">菜單選項1-2-2</a></li>
      </ul>
     </li>
     <li><a >菜單選項1-2</a></li>
     <li class="lli"><a href="#">菜單選項1-2</a></li>
    </ul>
   </div><!-- position -->
</div><!-- menusel -->
<div id="menu2" class="menusel">
<h2><a href="#">菜單2</a></h2>
<div class="position">
<ul class="clearfix typeul">
<li><a href="#">菜單選項2-2</a></li>
<li><a href="#">菜單選項2-2</a>
<ul>
<li class="fli"><a href="#">菜單選項2-2-1</a></li>
<li class="lli"><a href="#">菜單選項2-2-2</a>
<ul>
<li class="fli"><a href="#">菜單選項2-2-1</a></li>
<li class="lli"><a href="#">菜單選項2-2-2</a>
</li>
</ul>
</li>
</ul>
</li>
<li><a href="#">菜單選項2-2</a></li>
<li class="lli"><a href="#">菜單選項2-2</a></li>
</ul>
</div><!-- position -->
</div><!-- menusel -->
<div id="menu3" class="menusel">
<h2><a href="#">菜單3</a></h2>
<div class="position">
<ul class="clearfix typeul">
<li><a href="#">菜單選項3-2</a></li>
<li><a href="#">菜單選項3-2</a>
<ul>
<li class="fli"><a href="#">菜單選項3-2-1</a></li>
<li class="lli"><a href="#">菜單選項3-2-2</a>
<ul>
<li class="fli"><a href="#">菜單選項3-2-1</a></li>
<li class="lli"><a href="#">菜單選項3-2-2</a>
<ul>
<li class="fli"><a href="#">菜單選項3-2-1</a></li>
<li class="lli"><a href="#">菜單選項3-2-2</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li><a href="#">菜單選項3-2</a></li>
<li class="lli"><a href="#">菜單選項3-2</a></li>
</ul>
</div><!-- position -->
 </div><!-- menusel -->
</div><!-- menu -->
 <script type="text/javascript">
 for(var x = 1; x < 4; x++)
 {
 var menuid = document.getElementById("menu"+x);
 menuid.num = x;
 type();
 }
 function type()
 {
 var menuh2 = menuid.getElementsByTagName("h2");
 var menuul = menuid.getElementsByTagName("ul");
 var menuli = menuul[0].getElementsByTagName("li");
 menuh2[0].onmouseover = show;
 menuh2[0].onmouseout = unshow;
 menuul[0].onmouseover = show;
 menuul[0].onmouseout = unshow;
 function show()
 {
 menuul[0].className = "clearfix typeul block"
 }
 function unshow()
 {
 menuul[0].className = "typeul"
 }
 for(var i = 0; i < menuli.length; i++)
{
menuli[i].num = i;
var liul = menuli[i].getElementsByTagName("ul")[0];
   if(liul)
   {
   typeshow()
   }
}
 function typeshow()
 {
 menuli[i].onmouseover = showul;
 menuli[i].onmouseout = unshowul;
 }
 function showul()
 {
 menuli[this.num].getElementsByTagName("ul")[0].className = "block";
 }
 function unshowul()
 {
 menuli[this.num].getElementsByTagName("ul")[0].className = "";
 }
 }
 </script>
</body>
</html>

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