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jquery implements beautiful secondary drop-down menu code_jquery

WBOYOriginal: 2016-05-16 15:42:201297browse

The example in this article describes the code for implementing beautiful secondary drop-down menu with jquery. Share it with everyone for your reference. The details are as follows:

Here we introduce a website drop-down menu based on jquery, black style, very beautiful. This menu needs to click on the small triangle symbol behind the main menu to pull down the secondary menu. It is not some menu, but the mouse moves up the main menu. I just swiped it. As for which one, it all depends on personal preference

Let’s take a look at the running effect first:

The online demo address is as follows:

http://demo.jb51.net/js/2015/jquery-bg-2-level-down-show-menu-codes/

The specific code is as follows:

<!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=gb2312">
<title>jQuery二级菜单</title>
<script type="text/javascript" src="jquery-1.6.2.min.js"></script> 
<script type="text/javascript"> 
$(document).ready(function(){
 $("ul.subnav").parent().append("<span></span>");
 $("ul.topnav li span").click(function() {
  $(this).parent().find("ul.subnav").slideDown('fast').show();
  $(this).parent().hover(function() {
  }, function(){ 
   $(this).parent().find("ul.subnav").slideUp('slow');
  });
  }).hover(function() { 
   $(this).addClass("subhover");
  }, function(){
   $(this).removeClass("subhover");
 });
});
</script>
<style type="text/css">
body {
 margin: 0; padding: 0;
 font: 10px normal Arial, Helvetica, sans-serif;
 background: #ddd url(images/body_bg.gif) repeat-x;
}
.container {
 width: 960px;
 margin: 0 auto;
 position: relative;
}
#header {
 padding-top: 120px;
}
#header .disclaimer {
 color: #999;
 padding: 100px 0 7px 0;
 text-align: right;
 display: block;
 position: absolute;
 top: 0; right: 0;
}
#header .disclaimer a { color: #ccc;}
ul.topnav {
 list-style: none;
 padding: 0 20px; 
 margin: 0;
 float: left;
 width: 920px;
 background: #222;
 font-size: 1.2em;
 background: url(images/topnav_bg.gif) repeat-x;
}
ul.topnav li {
 float: left;
 margin: 0; 
 padding: 0 15px 0 0;
 position: relative;
}
ul.topnav li a{
 padding: 10px 5px;
 color: #fff;
 display: block;
 text-decoration: none;
 float: left;
}
ul.topnav li a:hover{
 background: url(images/topnav_hover.gif) no-repeat center top;
}
ul.topnav li span {
 width: 17px;
 height: 35px;
 float: left;
 background: url(images/subnav_btn.gif) no-repeat center top;
}
ul.topnav li span.subhover {background-position: center bottom; cursor: pointer;}
ul.topnav li ul.subnav {
 list-style: none;
 position: absolute;
 left: 0; top: 35px;
 background: #333;
 margin: 0; padding: 0;
 display: none;
 float: left;
 width: 170px;
 -moz-border-radius-bottomleft: 5px;
 -moz-border-radius-bottomright: 5px;
 -webkit-border-bottom-left-radius: 5px;
 -webkit-border-bottom-right-radius: 5px;
 border: 1px solid #111;
}
ul.topnav li ul.subnav li{
 margin: 0; padding: 0;
 border-top: 1px solid #252525;
 border-bottom: 1px solid #444;
 clear: both;
 width: 170px;
}
html ul.topnav li ul.subnav li a {
 float: left;
 width: 145px;
 background: #333 url(images/dropdown_linkbg.gif) no-repeat 10px center;
 padding-left: 20px;
}
html ul.topnav li ul.subnav li a:hover {
 background: #222 url(images/dropdown_linkbg.gif) no-repeat 10px center; 
}
#header img {
 margin: 20px 0 10px;
}
</style>
</head>
<body>
<div class="container">
 <div id="header">
 <ul class="topnav">
  <li><a href="#">网站首页</a></li>
  <li>
  <a href="#">网页菜单</a>
  <ul class="subnav">
   <li><a href="#">ASP导航</a></li>
   <li><a href="#">JSP导航</a></li>
   <li><a href="#">ASP.net导航</a></li>
   <li><a href="#">PHP导航</a></li>
  </ul>
  </li>
  <li>
  <a href="#">网页特效</a>
  <ul class="subnav">
   <li><a href="#">层和菜单</a></li>
   <li><a href="#">鼠标特效</a></li>
   <li><a href="#">表单特效</a></li>
   <li><a href="#">表格特效</a></li>
   <li><a href="#">CSS特效</a></li>
   <li><a href="#">jQuery特效</a></li>
  </ul>
  </li>
  <li><a href="#">搜索引擎</a></li>
  <li><a href="#">博客营销</a></li>
  <li><a href="#">联系我们</a></li>
 </ul>
 </div>
</div>
</body>
</html>

I hope this article will be helpful to everyone’s jquery programming design.

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