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 }
bitmap.close();
// ImageBitmap { width: 0, height: 0 } -- disposed
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'close()' in that specification. | Living Standard |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 52 | ? | 46 | No | 37 | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 52 | 52 | ? | 46 | 37 | No | 6.0 |
ImageBitmap.
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/ImageBitmap/close