css结合js制作下拉菜单示例代码
css结合js制作下拉菜单示例代码
发布时间:2016-12-30 来源:查字典编辑
摘要:复制代码代码如下:WebForm5/*Root=Horizontal,Secondary=Vertical*/ul#navmenu-h{ma...

复制代码 代码如下:

<%@page pageEncoding="utf-8"

contentType="text/html;charset=utf-8" %>

<HTML>

<HEAD>

<title>WebForm5</title>

<style>/* Root = Horizontal, Secondary = Vertical */

ul#navmenu-h {

margin: 0;

border: 0 none;

padding: 0;

width: 500px; /*For KHTML*/

list-style: none;

height: 24px;

}

ul#navmenu-h li {

margin: 0;

border: 0 none;

padding: 0;

float: left; /*For Gecko*/

display: inline;

list-style: none;

position: relative;

height: 24px;

}

ul#navmenu-h ul {

margin: 0;

border: 0 none;

padding: 0;

width: 160px;

list-style: none;

display: none;

position: absolute;

top: 24px;

left: 0;

}

ul#navmenu-h ul:after /*From IE 7 lack of compliance*/{

clear: both;

display: block;

font: 1px/0px serif;

content: ".";

height: 0;

visibility: hidden;

}

ul#navmenu-h ul li {

width: 160px;

float: left; /*For IE 7 lack of compliance*/

display: block !important;

display: inline; /*For IE*/

}

/* Root Menu */

ul#navmenu-h a {

border: 1px solid #FFF;

border-right-color: #CCC;

border-bottom-color: #CCC;

padding: 0 6px;

float: none !important; /*For Opera*/

float: left; /*For IE*/

display: block;

background: #EEE;

color: #666;

font: bold 10px/22px Verdana, Arial, Helvetica, sans-serif;

text-decoration: none;

height: auto !important;

height: 1%; /*For IE*/

}

/* Root Menu Hover Persistence */

ul#navmenu-h a:hover,

ul#navmenu-h li:hover a,

ul#navmenu-h li.iehover a {

background: #CCC;

color: #FFF;

}

/* 2nd Menu */

ul#navmenu-h li:hover li a,

ul#navmenu-h li.iehover li a {

float: none;

background: #EEE;

color: #666;

}

/* 2nd Menu Hover Persistence */

ul#navmenu-h li:hover li a:hover,

ul#navmenu-h li:hover li:hover a,

ul#navmenu-h li.iehover li a:hover,

ul#navmenu-h li.iehover li.iehover a {

background: #CCC;

color: #FFF;

}

/* 3rd Menu */

ul#navmenu-h li:hover li:hover li a,

ul#navmenu-h li.iehover li.iehover li a {

background: #EEE;

color: #666;

}

/* 3rd Menu Hover Persistence */

ul#navmenu-h li:hover li:hover li a:hover,

ul#navmenu-h li:hover li:hover li:hover a,

ul#navmenu-h li.iehover li.iehover li a:hover,

ul#navmenu-h li.iehover li.iehover li.iehover a {

background: #CCC;

color: #FFF;

}

/* 4th Menu */

ul#navmenu-h li:hover li:hover li:hover li a,

ul#navmenu-h li.iehover li.iehover li.iehover li a {

background: #EEE;

color: #666;

}

/* 4th Menu Hover */

ul#navmenu-h li:hover li:hover li:hover li a:hover,

ul#navmenu-h li.iehover li.iehover li.iehover li a:hover {

background: #CCC;

color: #FFF;

}

ul#navmenu-h ul ul,

ul#navmenu-h ul ul ul {

display: none;

position: absolute;

top: 0;

left: 160px;

}

/* Do Not Move - Must Come Before display:block for Gecko */

ul#navmenu-h li:hover ul ul,

ul#navmenu-h li:hover ul ul ul,

ul#navmenu-h li.iehover ul ul,

ul#navmenu-h li.iehover ul ul ul {

display: none;

}

ul#navmenu-h li:hover ul,

ul#navmenu-h ul li:hover ul,

ul#navmenu-h ul ul li:hover ul,

ul#navmenu-h li.iehover ul,

ul#navmenu-h ul li.iehover ul,

ul#navmenu-h ul ul li.iehover ul {

display: block;

}

</style><script language="javascript">

navHover = function() {

var lis = document.getElementById("navmenu-h").getElementsByTagName("LI");

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

lis[i].onmouseover=function() {

this.className+=" iehover";

}

lis[i].onmouseout=function() {

this.className=this.className.replace(new RegExp(" iehoverb"),

"");

}

}

}

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

</script>

</HEAD>

<body>

<ul id="navmenu-h">

<li><a href="#">Root nav item1</a>

<ul>

<li><a href="#">Sub nav item1</a></li>

<li><a href="#">Sub nav item1-2</a></li>

</ul>

</li>

<li><a href="#">Root nav item2</a>

<ul>

<li><a href="#">Sub nav item2</a></li>

<li><a href="#">Sub nav item2-2</a></li>

</ul>

</li>

<li><a href="#">Root nav item3</a>

<ul>

<li><a href="#">Sub nav item3</a></li>

<li><a href="#">Sub nav item3-2</a></li>

</ul>

</li>

</ul>

</body>

</html>

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