This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The HTMLMediaElement.defaultPlaybackRate property indicates the default playback rate for the media.
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.
NotSupportedError DOMException
Thrown if the specified value is not supported.
const obj = document.createElement("video");
console.log(obj.defaultPlaybackRate); // 1
| Specification |
|---|
| HTML> # dom-media-defaultplaybackrate-dev> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
defaultPlaybackRate |
3 | 12 | 20 | ≤12.1 | 3.1 | 18 | 20 | ≤12.1 | 3 | 1.0 | 4.4 | 3 |
HTMLMediaElement: Interface used to define the HTMLMediaElement.defaultPlaybackRate property
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/defaultPlaybackRate