<!DOCTYPE html>
<html>
<head>
   <title>Bootstrap 实例 - 缩写</title>
   <link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
   <script src="https://cdn.staticfile.org/jquery/2.0.0/jquery.min.js"></script>
   <script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

<abbr title="World Wide Web">WWW</abbr><br>
<abbr title="Real Simple Syndication" class="initialism">RSS</abbr>

</body>
</html>