App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="//cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="//cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
<script src="//cdn.bootcss.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2></h2>
<p> .show :</p>
<p class="show"></p>
<p> .hidden :</p>
<p class="hidden"></p>
</div>
</body>
</html>
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运行结果