【HTML】Advanced7：Embedded Content: Video, Audio, and Canvas

1.video

<video src="kitties.mp4" poster="fluffy.jpg"(display before video is played) width="300" height="200" loop muted autoplay controls>

<img src="hahahaha.jpg" alt="Hilarious cat and caption saying 'soz'.">(fall-back content
</video>

 alternative

2.audio

3.canvas:paint all manner of dynamic images such as graphs, animated sprites, or daft cat pictures.

<canvas id="wittykitty" width="800" height="450">
    <!-- Fall-back content here, just like with video and audio -->
</canvas>