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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
<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>The above is the jQuery three-level drop-down list navigation menu code shared with you. I hope you like it.