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The method canPlayType() in HTML5 determines whether the browser can play the specified audio/video type.

黄舟
Release: 2017-11-07 11:21:24
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Example

Detect whether your browser can play different types of videos:

myVid=document.createElement('video');
isSupp=myVid.canPlayType(vidType+';codecs="'+codType+'"');
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Definition and usage

canPlayType() method browsing Whether the device can play the specified audio/video type.

The canPlayType() method can return one of the following values:

  • "probably" - The browser is most likely to support this audio/video type

  • "maybe" - The browser may support this audio/video type

  • "" - (empty string) The browser does not support this audio /Video Type

Browser support

All browsers support the canPlayType() method.

Note: This method is not supported in Internet Explorer 8 and earlier.

Syntax

audio|video.canPlayType(type))
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Parameters

Return value
Value Description
type

specifies the audio/video type to be detected.

Common values:

  • video/ogg

  • ##video/mp4

  • video/webm

  • audio/mpeg

  • audio/ogg

  • ##audio/mp4
  • Common values, including codecs:

    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"
  • Note: Only "probably" can be returned if the codec is included.

TypeDescriptionString
indicates the supported level. Possible values:

"probably" - most likely supported
  • "maybe" - probably supported
  • "" - (empty string)
is not supported

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