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ImageBitmap: close() メソッド - Web API | MDN
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ImageBitmap: close() メソッド
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2021年9月.
ImageBitmap.close() メソッドは、ImageBitmap に関連するすべてのグラフィカルリソースを破棄します。
構文
js
close()
引数
なし。
返値
なし (undefined)。
例
js
const offscreen = new OffscreenCanvas(256, 256);
const gl = offscreen.getContext("webgl");
// gl コンテキストを使用して描画する。
const bitmap = offscreen.transferToImageBitmap();
// ImageBitmap { width: 256, height: 256 }
bitmap.close();
// ImageBitmap { width: 0, height: 0 } — 破棄
仕様書
| Specification |
|---|
| HTML # dom-imagebitmap-close-dev |
ブラウザーの互換性
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関連情報
- このメソッドを定義しているインターフェイス、
ImageBitmap