This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.
The OffscreenCanvas()
constructor returns a newly instantiated OffscreenCanvas
object.
Syntax
new OffscreenCanvas(width, height);
Parameters
width
- The width of the offscreen canvas.
height
- The height of the offscreen canvas.
Examples
This example creates a new offscreen canvas using the OffscreenCanvas()
constructor. We then initialize a WebGL context on it using the getContext()
method.
let offscreen = new OffscreenCanvas(256, 256);
let gl = offscreen.getContext('webgl');
Specifications
Specification | Status | Comment |
HTML Living StandardThe definition of 'OffscreenCanvas()' in that specification. | Living Standard |
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
Full support 69 |
Edge
Full support ≤79 |
Firefox Partial support 46 Partial support 46 Notes' See bug 1390089.
Disabled' From version 46: this feature is behind the |
IE
No support No |
Opera
Full support 56 |
Safari
No support No |
WebView Android
No support No |
Chrome Android
Full support 69 |
Firefox Android Partial support 46 Partial support 46 Notes' See bug 1390089.
Disabled' From version 46: this feature is behind the |
Opera Android
Full support Yes |
Safari iOS
No support No |
Samsung Internet Android
Full support 10.0 |
Legend
- Full support
- Full support
- Partial support
- Partial support
- No support
- No support
- Experimental. Expect behavior to change in the future.'
- Experimental. Expect behavior to change in the future.
- See implementation notes.'
- See implementation notes.
- User must explicitly enable this feature.'
- User must explicitly enable this feature.
See also
OffscreenCanvas
, the interface this constructor belongs to
OffscreenCanvas() by Mozilla Contributors is licensed under CC-BY-SA 2.5.