<!DOCTYPE html>
<html>
<head>
<title>Bootstrap实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script src="https://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Close Alerts Via JavaScript</h2>
<div class="alert alert-success alert-dismissible" id="myAlert">
<a href="#" class="close">×</a>
<strong>Success!</strong> This alert box could indicate a successful or positive action.
</div>
</div>
<script>
$(document).ready(function(){ $(".close").click(function(){ $("#myAlert").alert("close"); });
});
</script>
</body>
</html>