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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-COMPATIBLE" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Bootstrap</title>
<link rel="stylesheet" type="text/css" href="bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="foo.css">
<script src="jquery-1.11.3.js"></script>
<script src="bootstrap.min.js"></script>
<script src="foo.js"></script>
</head>
<body>
<div class="dropdown">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">
menu<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu">
<li role="presentation"><a href="#" tabindex="-1" role="menu-item">hello</a></li>
<li role="presentation"><a href="#" tabindex="-1" role="menu-item">hello</a></li>
<li role="presentation"><a href="#" tabindex="-1" role="menu-item">hello</a></li>
</ul>
</div>
<script>
$(document).off(".data-api");
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/htmlphp/p/4837733.html
