The OffscreenCanvas() constructor returns a newly instantiated OffscreenCanvas object.
OffscreenCanvas: OffscreenCanvas() constructor
Syntax
js
new OffscreenCanvas(width, height)
Parameters
Examples
This example creates a new offscreen canvas using the OffscreenCanvas() constructor. We then initialize a WebGL context on it using the getContext() method.
js
const offscreen = new OffscreenCanvas(256, 256);
const gl = offscreen.getContext("webgl");
Specifications
| Specification |
|---|
| HTML Standard # dom-offscreencanvas-dev |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
OffscreenCanvas |
69 | 79 | 105 | No | 56 | 16.4 | 69 | 69 | 105 | 48 | 16.4 | 10.0 |
See also
OffscreenCanvas, the interface this constructor belongs to
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https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas/OffscreenCanvas