<p>embed标签</p>
<embed src="https://media.w3.org/2010/05/sintel/trailer.mp4" autostart=false loop=true>

<hr>

<p>video标签</p>
<video controls width="250">
    <source
                   src="https://media.w3.org/2010/05/sintel/trailer.mp4"
            type="video/mp4">
    Sorry, your browser doesn't support embedded videos.
</video>

<hr>

<p>audio标签</p>
<audio
  controls
  src="http://m10.music.126.net/20200714111123/ea7ecf79e904b8b7b4b5983218d9a3a8/ymusic/e33e/ce89/f6b0/03021c4140edc953808280ac78bd35be.mp3">
            Your browser does not support the
            <code>audio</code> element.
</audio>