Live Demo: Bootstrap Badge Inside Buttons

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<!doctype html>
<html lang="en">
<head>
<title>Bootstrap Badge Inside Buttons</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" crossorigin="anonymous"></script>
</head>
<body>
<div class="container">
    <h2>Bootstrap Badge Inside Buttons</h2>
    <button type="button" class="btn btn-primary">Message <span class="badge">32</span></button>
</div>
</body>
</html>              
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