HTMLCanvasElement.transferControlToOffscreen()
Baseline 2023
Newly available
Since March 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
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 Standard # dom-canvas-transfercontroltooffscreen-dev |
浏览器兼容性
BCD tables only load in the browser
参见
- 定义此方法的接口
HTMLCanvasElement
OffscreenCanvas