The HTMLMediaElement.defaultPlaybackRate property indicates the default playback rate for the media.
Syntax
var dSpeed = video.defaultPlaybackRate; audio.defaultPlaybackRate = 1.0;
Value
A double. 1.0 is "normal speed," values lower than 1.0 make the media play slower than normal, higher values make it play faster. The value 0.0 is invalid and throws a NOT_SUPPORTED_ERR exception.
Example
var obj = document.createElement('video');
console.log(obj.defaultPlaybackRate); // 1
Specifications
| Specification | Status | Comment |
|---|---|---|
| WHATWG HTML Living Standard The definition of 'HTMLMediaElement.defaultPlaybackRate' in that specification. |
Living Standard | No change from HTML5 |
| HTML5 The definition of 'HTMLMediaElement.defaultPlaybackRate' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
defaultPlaybackRate property |
(Yes) | 20.0 (20.0) | 9 | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
defaultPlaybackRate property |
(Yes) | 20.0 (20.0) | (Yes) | ? | ? | ? |
See also
- The interface defining it,
HTMLMediaElement.