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

The ImageBitmap.close() method disposes of all graphical resources associated with an ImageBitmap.


void ImageBitmap.close()


var offscreen = new OffscreenCanvas(256, 256);
var gl = offscreen.getContext('webgl');

// ... some drawing using the gl context ...

var bitmap = offscreen.transferToImageBitmap();
// ImageBitmap { width: 256, height: 256 }

// ImageBitmap { width: 0, height: 0 } -- disposed


Specification Status Comment
HTML Living Standard
The definition of 'close()' in that specification.
Living Standard  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support52 ?46 No37 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5252 ?4637 No6.0

See also

Document Tags and Contributors

Contributors to this page: fscholz, nmve, jpmedley
Last updated by: fscholz,