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Home  >  Article  >  Web Front-end  >  HTML5 video support detection (check whether the browser supports video playback)_html5 tutorial skills

HTML5 video support detection (check whether the browser supports video playback)_html5 tutorial skills

WBOY
WBOYOriginal
2016-05-16 15:49:373153browse

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More and more websites now have Provides video playback (not plug-in). HTML5 provides a standard for displaying video. So how to check whether your browser supports video playback? Let's write an example below.


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HTML 5 Video

Check whether your browser supports HTML5 videos:









The following is the js code:

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function checkVideo()
{
if(!!document.createElement('video ').canPlayType)
{
//Create video element
var vidTest=document.createElement("video");
//Detect whether the video in ogg format can be played
oggTest= vidTest.canPlayType('video/ogg; codecs="theora, vorbis"');
if (!oggTest)
{
//Detect whether videos in MP4 format can be played
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."
}
}


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canPlayType method description:
1. Definition: Check whether the browser can play the specified audio/ Video type.
2. Return value:
"probably", indicating that the browser is most likely to support the video or audio.
"maybe" means that the browser may support the video or audio.
"" (empty string), indicating that the browser does not support the video or audio.
Note: Internet Explorer 8 and earlier versions do not support this method.
Syntax: audio|video.canPlayType(type))
Parameter description:
type: the audio or video type to be detected,
Common values: video/ogg; video/mp4; video/webm ; audio/mpeg;audio/ogg;audio/mp4
Common values ​​(including the audio or video codec to detect):
video/ogg; codecs="theora, vorbis"
video/mp4 ; codecs="avc1.4D401E, mp4a.40.2"
video/webm; codecs="vp8.0, vorbis"
audio/ogg; codecs="vorbis"
audio/mp4; codecs=" mp4a.40.5"
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