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OffscreenCanvas.width

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The width property returns and sets the width of an OffscreenCanvas object.

Syntax

var pxl = offscreen.width;
offscreen.width = pxl;

Examples

Creating a new offscreen canvas and returning or setting the width of the offscreen canvas:

var offscreen = new OffscreenCanvas(256, 256);
offscreen.width; // 256
offscreen.width = 512;

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 69 ? 44
Disabled
44
Disabled
Disabled From version 44: this feature is behind the gfx.offscreencanvas.enabled preference. To change preferences in Firefox, visit about:config.
No 56 No
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support No 69 ? 44
Disabled
44
Disabled
Disabled From version 44: this feature is behind the gfx.offscreencanvas.enabled preference. To change preferences in Firefox, visit about:config.
Yes No No

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas/width