这是一款基于JS实现下拉菜单，是一款灵巧的网站导航条，支持二级显示，向下滑动显示，经典的下拉菜单，JS和CSS共同编写实现，Li菜单列表风格，便于修改，兼容各大主流浏览器，相信你也会喜欢的。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!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"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>js暗蓝色下拉导航菜单</title> <style> @charset "utf-8"; body{padding:0px;margin:0px;} body{font-family:Arial, Helvetica, sans-serif;font-size:9pt;background-color:#3A4954;} ul,li{padding:0px;margin:0px;list-style-type: none;} * a{text-decoration: none;color:#CFE0EE;} a:hover{color:#F09C42;} a:hover{color:#F09C42;} #navMenu{width:100%;height: 34px;line-height: 34px;display:block;overflow:hidden;background-image: url(images/nav_bg.jpg);background-repeat:repeat-x;background-position: left top;} #navMenu ul{width:95%; margin-left:16px;} #navMenu .onelink{background-image:none;} #navMenu li{width:90px;text-align:center;float: left;line-height: 34px;height: 34px;background-image: url(images/nav_fg.jpg);background-repeat: no-repeat;background-position: 0 center;margin-left: -2px;} #navMenu li a{color:#6CA7C7;font-family: "宋体";padding-right: 1em;padding-left: 1em;margin-left: 2px;display: block;} #navMenu li a:hover, #navMenu li.hover a{background-image: url(images/hover_bg.jpg);background-repeat:repeat-x;background-position: center top;text-decoration: none;color:#FF7B0E;} .dropMenu{position:absolute;top: 0;z-index:100;width: 110px;visibility: hidden; margin-top: -1px;margin-left:-2px;border: 1px solid #4D5B66;border-top: 0px solid #3CA2DC;background-color: #0D1C31;padding-top:6px;padding-bottom:6px;filter: Alpha(Opacity=85);} .dropMenu li{margin-top:2px;margin-bottom:4px;padding-left:6px;} .dropMenu li a{width: 92%;display: block;text-align:center;color: black;padding: 4px 0 4px 0px;color:#6CA7C7;border-bottom: 1px dashed #4D5B66;} .dropMenu+li a{border-top:none;} * html .dropMenu a{width: 100%;color:#6CA7C7;} .dropMenu a:hover{text-decoration: underline;color:#F09C42;} .hdo{width:100%; height:auto; display:block; overflow:hidden;} </style> <script type='text/javascript' src='https://www.jb51.net/js/dropdown.js'></script> </head> <body> <div> <ul> <li><a href='#' target="_blank">主页</a></li> <li><a href='#' target="_blank">HTML+CSS模板</a></li> <li><a href='#' target="_blank">JS代码</a></li> <li><a href='#' target="_blank">电子商务</a></li> <li><a href='#' >SEO优化</a></li> <li><a href='#' target="_blank">建站技巧</a></li> <li><a href='#' target="_blank">网络营销</a></li> </ul> </div> <ul> <li><a href="#" target="_blank">导航菜单</a></li> <li><a href="#" target="_blank">焦点幻灯片</a></li> <li><a href="#" target="_blank">网页特效</a></li> <li><a href="#" target="_blank">广告代码</a></li> </ul> <ul> <li><a href="#" target="_blank">企业类网站</a></li> <li><a href="#" target="_blank">行业类网站</a></li> <li><a href="#/" target="_blank">BLOG类网站</a></li> <li><a href="#" target="_blank">门户类网站</a></li> <li><a href="#" target="_blank">商城类网站</a></li> </ul> <ul> <li><a href="#" target="_blank">HTML技巧</a></li> <li><a href="#" target="_blank">CSS技巧</a></li> <li><a href="#" target="_blank">CMS建站技巧</a></li> <li><a href="#" target="_blank">其他技巧</a></li> </ul> <script type="text/javascript">cssdropdown.startchrome("navMenu")</script> <!--//nav--> </body> </html>