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编辑您的代码：
<!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>
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