< HTML Audio/Video DOM Reference
Example
Set video to slow motion by default:
var vid = document.getElementById("myVideo");
vid.defaultPlaybackRate = 0.5;
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Definition and Usage
The defaultPlaybackRate property sets or returns the default playback speed of the audio/video.
Setting this property will only change the default playback speed, not the current. To change the current playback speed, use the playbackRate property.
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
| Property | |||||
|---|---|---|---|---|---|
| defaultPlaybackRate | Yes | 9.0 | 20.0 | Not supported | Yes |
Syntax
Return the defaultPlaybackRate property:
audio|video.defaultPlaybackRate
Set the defaultPlaybackRate property:
audio|video.defaultPlaybackRate=playbackspeed
Property Values
| Value | Description |
|---|---|
| playbackspeed | Indicates the default playback speed of the audio/video. Example values:
|
Technical Details
| Return Value: | Number, the default playback speed |
|---|---|
| Default Value: | 1.0 |