带有下拉引导示例的选项卡
要使用Bootstrap创建选项卡，请使用.nav和.nav-tabs类。使用.dropdown-menu类。
从基本无序列表开始，其基类为.nav
添加类.nav-tabs。
现在添加一个带有.dropdown-menu类的无序列表。
您可以尝试运行以下代码来创建带有下拉菜单的标签页-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</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 style = "background: #FADBD8;">
<h2>Website</h2>
<ul class = "nav nav-tabs">
<li class = "active"><a href = "#">Home</a></li>
<li><a href = "#">About</a></li>
<li class = "dropdown">
<a class = "dropdown-toggle" data-toggle = "dropdown" href = "#">
Products
<span class = "caret"></span>
</a>
<ul class = "dropdown-menu">
<li><a href = "#">Online Compiler</a></li>
<li><a href = "#">Image Editor</a></li>
<li><a href = "#">Document Viewer</a></li>
</ul>
</li>
<li><a href = "#">Services</a></li>
<li><a href = "#">Contact</a></li>
</ul>
</body>
</html>