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HTML Audio/Video DOM defaultPlaybackRate Property

HTML Audio/Video DOM Reference Manual

Example

Set the video to play at a default slow speed:


Definition and Usage

The defaultPlaybackRate property sets or returns the default playback speed of the audio/video.

Setting this property only changes the default playback speed, not the current one. To change the current playback speed, use the playbackRate property.


Browser Support

Only Internet Explorer 10, Firefox, and Chrome support the defaultPlaybackRate property.

Note: Safari, Opera, or Internet Explorer 9 and earlier versions do not support the defaultPlaybackRate property.


Syntax

Set the defaultPlaybackRate property:

Return the defaultPlaybackRate property:

Property Values

Value Description
playbackspeed Indicates the default playback speed of the audio/video. <br>Example values: 1.0 normal speed<br> 0.5 half speed (slower)<br> 2.0 double speed (faster)<br> -1.0 backward, normal speed<br> -0.5 backward, half speed

Technical Details

Return Value: Numeric value, the default playback speed
Default Value: 1.0
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