简单教程
提交运行
代码编辑器：
<!DOCTYPE htm> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <style>body {margin:20px}</style> <p>带有下拉菜单的标签页</p> <ul class="nav navbar-nav"> <li class="active"><a href="#">HTML 5</a></li> <li><a href="#">CSS 3</a></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"> 后端 <b class="caret"></b> </a> <ul class="dropdown-menu"> <li><a href="#">Python</a></li> <li><a href="#">PHP</a></li> <li><a href="#">JAVA</a></li> <li class="divider"></li> <li><a href="#">分离的链接</a></li> <li class="divider"></li> <li><a href="#">另一个分离的链接</a></li> </ul> </li> <li><a href="#">JavaScript</a></li> </ul>
运行结果：