W3cubDocs

/DOM

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 compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support No support 44 (44) [1] No support No support No support
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support 44.0 (44) [1] No support No support No support

[1] This feature is behind a feature preference setting. In about:config, set gfx.offscreencanvas.enabled to true.

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