检测浏览器是否支持html5视频的代码

建站知识 2021-07-02 23:00www.168986.cn长沙网站建设

在http://.w3school..学习html5的时候,看到一个检测您的浏览器是否支持 HTML5 视频的方法

运行效果

1.在EditPlus中运行

2.在chrome浏览器中运行

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代码部分

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复制代码
代码如下:

<!DUCTYPE HTML>
<html>
<script type="text/javascript">
function checkVideo()
{
if(!!document.createElement('video').canPlayType)
{
var vidTest=document.createElement("video");
oggTest=vidTest.canPlayType('video/ogg; codecs="theora, vorbis"');
if (!oggTest)
{
h264Test=vidTest.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"');
if (!h264Test)
{
document.getElementById("checkVideoResult").innerHTML="Sorry. No video support."
}
else
{
if (h264Test=="probably")
{
document.getElementById("checkVideoResult").innerHTML="Yes! Full support!";
}
else
{
document.getElementById("checkVideoResult").innerHTML="Well. Some support.";
}
}
}
else
{
if (oggTest=="probably")
{
document.getElementById("checkVideoResult").innerHTML="Yes! Full support!";
}
else
{
document.getElementById("checkVideoResult").innerHTML="Well. Some support.";
}
}
}
else
{
document.getElementById("checkVideoResult").innerHTML="Sorry. No video support."
}
}
</script>
<body>
<p>检测您的浏览器是否支持 HTML5 视频</p>
<div id="checkVideoResult" style="margin:10px 0 0 0; border:0; padding:0;">
<button onclick="checkVideo()" style="font-family:Arial, Helvetica, sans-serif;">Check</button>
</div>
</body>
</html>

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