<!DOCTYPE html>
<html>
<head>
<title>Try v1.2 Bootstrap Online</title>
<link href="/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<script src="/scripts/jquery.min.js"></script>
<script src="/bootstrap/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "dropdown">
<button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
Topics
<span class = "caret"></span>
</button>
<ul class = "dropdown-menu" role = "menu" aria-labelledby = "dropdownMenu1">
<li role = "presentation" class = "dropdown-header">Dropdown header</li>
<li role = "presentation" >
<a role = "menuitem" tabindex = "-1" href = "#">Java</a>
</li>
<li role = "presentation">
<a role = "menuitem" tabindex = "-1" href = "#">Data Mining</a>
</li>
<li role = "presentation">
<a role = "menuitem" tabindex = "-1" href = "#">
Data Communication/Networking
</a>
</li>
<li role = "presentation" class = "divider"></li>
<li role = "presentation" class = "dropdown-header">Dropdown header</li>
<li role = "presentation">
<a role = "menuitem" tabindex = "-1" href = "#">Separated link</a>
</li>
</ul>
</div>
</body>
</html>
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/264712.html