この記事はまだボランティアによって 日本語 に翻訳されていません。ぜひ MDN に参加して翻訳を手伝ってください!
この記事を English (US) で読むこともできます。

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.

Syntax

void ImageBitmap.close()

Examples

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

Specifications

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
closeChrome Full support 52Edge No support NoFirefox Full support 46IE No support NoOpera Full support 37Safari No support NoWebView Android Full support 52Chrome Android Full support 52Firefox Android Full support 46Opera Android Full support 37Safari iOS No support NoSamsung Internet Android Full support 6.0

Legend

Full support  
Full support
No support  
No support

See also

ドキュメントのタグと貢献者

このページの貢献者: mdnwebdocs-bot, fscholz, nmve, jpmedley
最終更新者: mdnwebdocs-bot,