51help具 V2

码：

<!DOCTYPE html> 
<html> 
<body> 
<button onclick="getMedGroup()" type="button">媒体组合</button>
<button onclick="setMedGroup()" type="button">媒体组合</button>
<br />
<br />
<video id="video1" controls="controls">
  <source src="../example/html5/mov_bbb.mp4" tppabs="http://www.51help.tk/example/html5/mov_bbb.mp4" type="video/mp4">
  <source src="../example/html5/mov_bbb.ogg" tppabs="http://www.51help.tk/example/html5/mov_bbb.ogg" type="video/ogg">
  Your browser does not support HTML5 video.
</video>
<video id="video2" controls="controls">
  <source src="../example/html5/mov_bbb.mp4" tppabs="http://www.51help.tk/example/html5/mov_bbb.mp4" type="video/mp4">
  <source src="../example/html5/mov_bbb.ogg" tppabs="http://www.51help.tk/example/html5/mov_bbb.ogg" type="video/ogg">
  Your browser does not support HTML5 video.
</video>

</script>

</body>
</html>

51help TIY

码：

查看结果: