bootstrap36-Bootstrap 下拉菜单

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>Bootstrap 下拉菜单</title>

<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">

</head>

<body>

<div class="container">

<div class="dropdown">

<button class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown">

主题

<span class="caret"></span>

</button>

<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">

<li role="presentation">

<a href="" role="menuitem" tabindex="-1" >java</a>

</li>

<li role="presentation">

<a role="menuitem" tabindex="-1" href="#">数据挖掘</a>

</li>

<li role="presentation">

<a role="menuitem" tabindex="-1" href="#">数据通信/网络</a>

</li>

<li role="presentation" class="divider"></li>

<li role="presentation">

<a role="menuitem" tabindex="-1" href="#">分离的链接</a>

</li>

</ul>

</div>

</div>

<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>

<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>

</body>

</html>