HTML5 视频示例

<div style="text-align:center"> 
  <button onclick="playPause()">播放/暂停</button> 
  <button onclick="makeBig()">放大</button>
  <button onclick="makeSmall()">缩小</button>
  <button onclick="makeNormal()">普通</button>
</div>
<video id="video1" width="420">
  <source src="/fs/uploads/tutorial/2025/12/8f2e8af94a3d2da3a6b42f55dd3c798a.mp4" type="video/mp4">
  您的浏览器不支持 HTML5 video 标签。
</video>