使用 Bootstrap 为元素添加黄色背景色以设置警告操作
bootstrapweb developmentcss framework
要在 Bootstrap 中为按钮设置警告操作，请使用 .btn-warning 按钮。您可以尝试运行以下代码来实现 btn-warning 按钮
示例
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <link rel = "stylesheet" href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css"> <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> </head> <body> <p>Click below if you want to know the warning message:</p> <button type = "button" class = "btn btn-warning">Warning</button> </body> </html>
