<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<!--bootstrap要引入的文件：bootstrap.min.css,jquery.min.js,bootrap.min.js-->
<link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
<script src="js/jquery-1.11.0.js" type="text/javascript" charset="utf-8"></script>
<!--要在bootstrap之前引入jquery,bootstrap依赖JQUERY,因为bootstrapJS里要使用$这个jquery变量-->
<!--<script src="js/popper.js" type="text/javascript" charset="utf-8"></script>-->
<!--如果你要用bootstrap使用一些提示性的交互，那么就需要引入提示性的框架popper.js,因为bootstrap的提示就是依赖popper-->
<script src="js/bootstrap.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<div class="container">
<div class="row">
<div class="alert alert-danger col-6 offset-3">
这是1个弹框<a class="alert-link" href="http://www.baidu.com">百度</a>
<button type="button" class="close" data-dismiss="alert">
<span>×</span>
</button>
</div>
</div>
</div>
<div class="alert alert-primary" role="alert">
This is a primary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-secondary" role="alert">
This is a secondary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-success" role="alert">
This is a success alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-danger" role="alert">
This is a danger alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-warning" role="alert">
This is a warning alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-info" role="alert">
This is a info alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-light" role="alert">
This is a light alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-dark" role="alert">
This is a dark alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<script type="text/javascript">
$('.alert').on('close.bs.alert',function(e){
console.log('弹框关闭之前执行什么内容')
console.log(e)
}).on('closed.bs.alert',function(e){
console.log('弹框关闭之后执行什么内容')
console.log(e)
})
</script>
</body>
</html>
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