HTMLMediaElement.defaultPlaybackRate

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

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/htmlmediaelement/defaultplaybackrate