This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTMLCanvasElement
.transferControlToOffscreen()
method transfers control to an OffscreenCanvas
object, either on the main thread or on a worker.
Syntax
OffscreenCanvas HTMLCanvasElement.transferControlToOffscreen()
Return value
An OffscreenCanvas
object.
Examples
var htmlCanvas = document.createElement('canvas'); var offscreen = htmlCanvas.transferControlToOffscreen(); var gl = offscreen.getContext('webgl'); // ... some drawing using the gl context ... // Push frames back to the original HTMLCanvasElement gl.commit();
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'HTMLCanvasElement.transferControlToOffscreen()' 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.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
transferControlToOffscreen | Chrome Full support 69 | Edge Full support 79 | Firefox
Full support
44
| IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android Full support 69 | Firefox Android
Full support
44
| Opera Android No support No | Safari iOS No support No | Samsung Internet Android Full support 10.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- User must explicitly enable this feature.
- User must explicitly enable this feature.
See also
- The interface defining this method,
HTMLCanvasElement
OffscreenCanvas
WebGLRenderingContext.commit()