controls 控制条
autoplay 自动播放
loop 循环播放
source 做兼容性
<video autoplay controls loop>
<source = src".....mp4" type="video/mp4">
<source = src".....ogv" type="video/ogv">
<source = src".....webm" type="video/webm">
</video>
poster 播放前的图片
<video controls loop poster=“xxxx.jpg”>
<source = src".....mp4" type="video/mp4">
<source = src".....ogv" type="video/ogv">
<source = src".....webm" type="video/webm">
</video>
audio
<audio src="...xxx.mp3" controls>
</audio>