<img src="">
<audio></audio>
<audio src="ada.mp4"></audio>
属性
autoplay 自动播放
controls 播放按钮
loop 循环
muted 静音
preload 预备
<video>
视频
</video>
<progress>进度条</progress>
<meter>密码强度</meter>
<audio controls>
<source src="horse.ogg" type="audio/ogg">
<source src="horse.mp3" type="audio/mpeg">
Your browser does not support the audio element.
</audio>
<embed src="helloworld.swf" />