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/Web APIs

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

close()

Parameters

None.

Return value

None (undefined).

Examples

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

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`close`	52	79	46	37	15	52	46	37	15	6.0	52	15