BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Bootstrap 实例 - 下拉菜单标题</title> <link href="//cdn.staticfile.net/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="//cdn.staticfile.net/jquery/2.1.1/jquery.min.js"></script> <script src="//cdn.staticfile.net/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <body> <div class="dropdown"> <button class="btn dropdown-toggle" data-toggle="dropdown" id="dropdownMenu1" type="button"> 主题 <span class="caret"></span> </button> <ul aria-labelledby="dropdownMenu1" class="dropdown-menu" role="menu"> <li class="dropdown-header" role="presentation">下拉菜单标题</li> <li role="presentation" > <a href="#" role="menuitem" tabindex="-1">Java</a> </li> <li role="presentation"> <a href="#" role="menuitem" tabindex="-1">数据挖掘</a> </li> <li role="presentation"> <a href="#" role="menuitem" tabindex="-1"> 数据通信/网络 </a> </li> <li class="divider" role="presentation"></li> <li class="dropdown-header" role="presentation">下拉菜单标题</li> <li role="presentation"> <a href="#" role="menuitem" tabindex="-1">分离的链接</a> </li> </ul> </div> </body> </html>
运行结果