HTML 即時預覽

HTML 編輯器

<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>HTML 预览</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      padding: 20px;
      background: #f5f5f5;
    }
    .container {
      max-width: 800px;
      margin: 0 auto;
      background: white;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    h1 {
      color: #333;
      border-bottom: 2px solid #007bff;
      padding-bottom: 10px;
    }
    button {
      background: #007bff;
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 4px;
      cursor: pointer;
    }
    button:hover {
      background: #0056b3;
    }
  </style>
</head>
<body>
  <div class="container">
    <h1>欢迎使用 HTML 实时预览</h1>
    <p>在左侧编辑 HTML 代码，右侧会实时显示效果。</p>
    <button onclick="alert('按钮被点击了！')">点击我</button>
  </div>
</body>
</html>

即時預覽

HTML 即時預覽

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