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css結合js制作下拉菜單的具體實現
這篇文章主要介紹了css結合js制作下拉菜單的具體實現,需要的朋友可以參考下
代碼如下: <%@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>javascript排行
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