将Bootstrap徽章设置为列表导航的活动状态
将<spanclass=“badge”>放置到活动链接，以将Bootstrap徽章设置为药丸处于活动状态。
您可以尝试运行以下代码来实现此目的-
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>
<h4>Active State in navigations</h4>
<ul class = "nav nav-pills nav-stacked" style = "max-width: 260px;">
<li class = "active">
<a href = "#">
<span class = "badge pull-right">29</span>
Home
</a>
</li>
<li><a href = "#">Profile</a></li>
<li>
<a href = "#">
<span class = "badge pull-right">9</span>
Messages
</a>
</li>
</ul>
</body>
</html>