HTMLCanvasElement.transferControlToOffscreen()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2023年3月.
方法 HTMLCanvasElement.transferControlToOffscreen() 将控制转移到一个在主线程或者 web worker 的 OffscreenCanvas 对象上。
语法
js
transferControlToOffscreen() 返回值
一个 OffscreenCanvas 对象。
样例
js
var htmlCanvas = document.createElement("canvas"); var offscreen = htmlCanvas.transferControlToOffscreen(); var gl = offscreen.getContext("webgl"); // ... some drawing using the gl context ... // Push frames back to the original HTMLCanvasElement gl.commit(); 规范
| Specification |
|---|
| HTML # dom-canvas-transfercontroltooffscreen-dev |
浏览器兼容性
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参见
- 定义此方法的接口
HTMLCanvasElement OffscreenCanvas