菜鸟教程在线编辑器

左右布局
AI 编程工具
xxxxxxxxxx
 
<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap5 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script>
</head>
<body>
​
<div class="container mt-3">
  <h2>徽章嵌入到按钮内</h2>
  <button type="button" class="btn btn-primary">
    Messages <span class="badge bg-danger">4</span>
  </button>
  <button type="button" class="btn btn-danger">
    Notifications <span class="badge bg-dark">7</span>
  </button>
</div>
​
</body>
</html>