Active Nav States in Bootstrap

For active states, place <span class = "badge"> to active links in Bootstrap −

You can try to run the following code to achieve this

Example

<!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 = "#">
               <span class = "badge pull-right">9</span>
               Mail
            </a>
         </li>
      </ul>
   </body>
</html>