Web/API/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
HTML Living StandardThe definition of 'HTMLMediaElement.defaultPlaybackRate' in that specification.	Living Standard	No change from HTML5
HTML5The definition of 'HTMLMediaElement.defaultPlaybackRate' in that specification.	Recommendation	Initial definition.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
defaultPlaybackRate	Chrome Full support 43	Edge Full support 12	Firefox Full support 20	IE Full support 9	Opera Full support Yes	Safari Full support Yes	WebView Android Full support 43	Chrome Android Full support 43	Firefox Android Full support 20	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 4.0

Legend

Full support  

Full support

Compatibility unknown  

Compatibility unknown

See also

• The interface defining it, HTMLMediaElement.

HTMLMediaElement.defaultPlaybackRate by Mozilla Contributors is licensed under CC-BY-SA 2.5.