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

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


var pxl = offscreen.height;
offscreen.height = pxl;


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

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


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

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support No ?441 No No No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No No ?441 No No No

1. From version 44: this feature is behind the gfx.offscreencanvas.enabled preference. To change preferences in Firefox, visit about:config.

See also

Document Tags and Contributors

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