Tip: you can modify some code before running
<!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" lang="zh-CN"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Css menu demonstration</title><style type="text/css"><!--* { margin:0; padding:0; border:0; }body { font-family: arial, 宋体, serif; font-size:12px; }#nav { line-height: 24px; list-style-type: none; background:#666; width:100%; }#nav a { display: block; width: 80px; text-align:center; }#nav a:link { color:#666; text-decoration:none; }#nav a:visited { color:#666; text-decoration:none; }#nav a:hover { color:#FFF; text-decoration:none; font-weight:bold; }#nav li { float: left; width: 80px; background:#CCC; }#nav li a:hover { background:#999; }#nav li ul { line-height: 27px; list-style-type: none; text-align:left; left: -999em; width: 980px; position: absolute; float:left; }#nav li ul li { float: left; width: 80px; background: #F6F6F6; }#nav li ul a { display: block; width: 80px; text-align:center; }#nav li ul a:link { color:#666; text-decoration:none; }#nav li ul a:visited { color:#666; text-decoration:none; }#nav li ul a:hover { color:#F3F3F3; text-decoration:none; font-weight:normal; background:#C00; }#nav li:hover ul { left: 0; }#nav li.sfhover ul { left: 0; }#content { clear: left; }--></style><script type=text/javascript><!--//--><![CDATA[//><!--function menuFix() { var sfEls = document.getElementById("nav").getElementsByTagName("li"); for (var i=0; i<sfEls.length; i++) { sfEls[i].onmouseover=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onMouseDown=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onMouseUp=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onmouseout=function() { this.className=this.className.replace(new RegExp("( ?|^)sfhover\b"),""); } }}window.onload=menuFix;//--><!]]></script></head><body><ul id="nav"> <li>Menu level 1<ul> <li>Menu level 1</li> <li>Menu level 1</li> <li>Menu level 1</li> <li>Menu level 1</li> <li>Menu level 1</li> <li>Menu level 1</li> </ul> </li> <li>Menu level 2<ul> <li>Menu level 2</li> <li>Menu level 2</li> <li>Menu level 2</li> <li>Menu level 2 server</li> <li>Menu level 2</li> <li>Menu level 2</li> </ul> </li> <li>Menu level 3<ul> <li>Menu level 3</li> <li>Menu level 3</li> <li>Menu level 3</li> <li>Menu level 3</li> </ul> </li> <li>Menu level 4<ul> <li>Menu level 4</li> <li>Menu level 4</li> <li>Menu level 4</li> <li>Menu level 4</li> <li>Menu level 4</li> </ul> </li></ul>Js effect overview</body></html></td> </tr></table>
Tip: you can modify some code before running
