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

Specification Status Comment
HTML Living Standard
The definition of 'OffscreenCanvas.width' in that specification.
Living Standard  

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic support
Experimental
Chrome Full support 69Edge ? Firefox Full support 44
Disabled
Full support 44
Disabled
Disabled From version 44: this feature is behind the gfx.offscreencanvas.enabled preference. To change preferences in Firefox, visit about:config.
IE No support NoOpera Full support 56Safari No support NoWebView Android No support NoChrome Android Full support 69Edge Mobile ? Firefox Android Full support 44
Disabled
Full support 44
Disabled
Disabled From version 44: this feature is behind the gfx.offscreencanvas.enabled preference. To change preferences in Firefox, visit about:config.
Opera Android Full support YesSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

Document Tags and Contributors

Contributors to this page: sideshowbarker, fscholz, adria
Last updated by: sideshowbarker,