ImageBitmap: close() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.

Note: This feature is available in Web Workers.

The ImageBitmap.close() method disposes of all graphical resources associated with an ImageBitmap.

Syntax

js
close()

Parameters

None.

Return value

None (undefined).

Examples

js
const offscreen = new OffscreenCanvas(256, 256);
const gl = offscreen.getContext("webgl");

// Perform some drawing using the gl context

const bitmap = offscreen.transferToImageBitmap();
// ImageBitmap { width: 256, height: 256 }

bitmap.close();
// ImageBitmap { width: 0, height: 0 } — disposed

Specifications

Specification
HTML
# dom-imagebitmap-close-dev

Browser compatibility

See also