HTMLCanvasElement.transferControlToOffscreen()

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

Currently drafted as a proposal in the OffscreenCanvas specification.

Browser compatibility

See also

• The interface defining this method, HTMLCanvasElement
• OffscreenCanvas
• WebGLRenderingContext.commit()