BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta content="width=device-width, initial-scale=1" name="viewport"> <link href="//cdn.staticfile.net/twitter-bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet"> <script src="//cdn.staticfile.net/jquery/3.2.1/jquery.min.js"></script> <script src="//cdn.staticfile.net/popper.js/1.12.5/umd/popper.min.js"></script> <script src="//cdn.staticfile.net/twitter-bootstrap/4.0.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>徽章嵌入到按钮内</h2> <button class="btn btn-primary" type="button"> Messages <span class="badge badge-light">4</span> </button> <button class="btn btn-danger" type="button"> Notifications <span class="badge badge-light">7</span> </button> </div> </body> </html>
运行结果