html运行实例（bs_badges_button）-搜寻教程库

代码示例：（标识：bs_badges_button）

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/js/bootstrap.min.js"></script>
</head>
<body>

<div class="p-4">
  <h2>按钮内的徽章</h2>
  <button type="button" class="btn btn-primary">
    消息 <span class="badge bg-danger">4</span>
  </button>
  <button type="button" class="btn btn-danger">
    通知 <span class="badge bg-dark">7</span>
  </button>
</div>

</body>
</html>