<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Bootstrap历练实例：下拉菜单插件方法的使用</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
<link rel="stylesheet" href="bootstrap-3.3.5-dist/css/bootstrap.min.css" />
<script src="jQuery/jquery-2.1.4.js"></script>
<script src="bootstrap-3.3.5-dist/js/bootstrap.min.js"></script>
</head>
<body>
<div style="padding:20px">
<nav class="navbar navbar-default" role="navigation">
<div class="navbar-header">
<a href="#" class="navbar-brand">w3cSchool</a>
</div>
<div id="myExample">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Html5</a></li>
<li><a href="#">Css3</a></li>
<li><a href="#">Javascript</a></li>
<li><a href="#">jQuery</a></li>
<li><a href="#">jQueryUI</a></li>
<li><a href="#">Bootstrap</a></li>
<li><a href="#">AngularJS</a></li>
<li><a href="#">C#.Net</a></li>
<li><a href="#">MsSql</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" >Html5前端<span class="caret"></span></a>
<ul class="dropdown-menu"role="menu">
<li><a href="#">Html5</a></li>
<li><a href="#">Css3</a></li>
<li><a href="#">Javascript</a></li>
<li><a href="#">jQuery</a></li>
<li><a href="#">jQueryUI</a></li>
<li><a href="#">Bootstrap</a></li>
<li><a href="#">AngularJS</a></li>
<li><a href="#">C#.Net</a></li>
<li><a href="#">MsSql</a></li>
</ul>
</li>
</ul>
</div>
</nav>
</div>
<script>
$(document).ready(function () {
$(".dropdown-toggle").dropdown("toggle");
})
</script>
</body>
</html>