引导警报危险等级
Bootstrap中的alert-danger类用于设置危险动作。
您可以尝试运行以下代码以在Bootstrap中实现alert-danger类-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<script src = "/scripts/jquery.min.js"></script>
<script src = "/bootstrap/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "alert alert-danger">This is danger action!</div>
</body>
</html>