HTMLCanvasElement.transferControlToOffscreen()
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。
用法
OffscreenCanvas HTMLCanvasElement.transferControlToOffscreen()
返回值
一个 OffscreenCanvas
对象。
样例
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
查阅
- The interface defining this method,
HTMLCanvasElement
OffscreenCanvas
WebGLRenderingContext.commit()