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jQuery three-level drop-down list navigation menu code sharing_jquery

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Release: 2016-05-16 15:42:43
Original
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The example in this article describes the jQuery three-level drop-down list navigation menu. Share it with everyone for your reference. The details are as follows:
The jQuery three-level drop-down list navigation menu is based on jquery-1.8.3.min.js and can be infinitely classified. It can intelligently determine whether there is a lower-level menu. The mouse will display the lower-level menu after passing the last menu.
Operation effect diagram: ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

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The jQuery three-level drop-down list navigation menu code shared with you is as follows



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<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>jQuery三级下拉列表导航菜单</title>

 

<script type="text/javascript" src="js/jquery-1.8.3.min.js"></script>

 

<style type="text/css">

*{margin: 0; padding: 0;}

body{ font-size: 12px; }

li{ list-style: none;}

ul.nav li{ width: 200px; text-align:center;}

ul.nav > li{ float: left; margin-right:10px;}

ul.nav li h3{height: 40px; line-height: 40px;}

ul.nav > li > h3{ background: #72a7ff;}

ul.nav > li > ul > li h3{ background: #ffd9d9;}

ul.nav > li h3:hover,.choice{ background: #ffc0c0!important;}

ul > li > ul{ display: none;}

ul > li.on > ul{ display: block;}

ul.nav li{ position: relative;}

ul.nav > li > ul > li ul{ position: absolute; top: 0; right: -200px;}

ul.nav span.sub{ position: absolute; display: block; right:10px; top: 0; width: 10px; height: 40px; background: url(images/arrows.png) no-repeat center center;}

</style>

 

<script type="text/javascript">

 $(document).ready(function() {

 $("ul.nav li").hover(function(){

  $(this).addClass("on");

 

 },

 function(){

  $(this).removeClass("on");

 

 })

 });

 

 $(document).ready(function() {

 $("ul.nav li").hover(function(){

  $(this).parent("ul").siblings("h3").addClass("choice");

 

 },

 function(){

  $(this).parent("ul").siblings("h3").removeClass("choice");

 })

 });

 

 $(document).ready(function() {

  if ($("ul.nav li").find("ul") .html()!="") {

  $("ul.nav li").parent("ul").siblings("h3").append("<span class='sub'></span>"); 

  }

 });

</script>

 

 

</head>

<body>

<ul class="nav">

 <li><h3>我的网站</h3>

 <ul>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3>

  <ul>

  <li><h3>4级分类</h3>

   <ul>

   <li><h3>5级分类</h3></li>

   <li><h3>5级分类</h3></li>

   <li><h3>5级分类</h3></li>

   <li><h3>5级分类</h3></li>

   </ul>

  </li>

  <li><h3>4级分类</h3></li>

  <li><h3>4级分类</h3></li>

  <li><h3>4级分类</h3></li>

  </ul>

  </li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 </ul>

 </li>

 <li><h3>我的网站</h3>

 <ul>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 </ul>

 </li>

 <li><h3>我的网站</h3>

 <ul>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 </ul>

 </li>

 <li><h3>我的网站</h3>

 <ul>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 <li><h3>2级分类</h3>

  <ul>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  <li><h3>3级分类</h3></li>

  </ul>

 </li>

 </ul>

 </li>

</ul>

 

</body>

</html>

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