<!DOCTYPE html>
<html>
<body>
<p>我的浏览器能够播放 MP4 视频吗？<span>
<button onclick="supportType(event,'video/mp4','avc1.42E01E, mp4a.40.2')" type="button">测试</button>
</span></p>
<p>我的浏览器能够播放 OGG 视频吗？<span>
<button onclick="supportType(event,'video/ogg','theora, vorbis')" type="button">测试</button>
</span></p>
<script>
function supportType(e,vidType,codType)
{
myVid=document.createElement('video');
isSupp=myVid.canPlayType(vidType+';codecs="'+codType+'"');
if (isSupp=="")
{
isSupp="No";
}
e.target.parentNode.innerHTML="Answer: " + isSupp;
}
</script>
</body>
</html>