The CanvasCaptureMediaStreamTrack canvas read-only property returns the HTMLCanvasElement from which frames are being captured. 
 The CanvasCaptureMediaStreamTrack canvas read-only property returns the HTMLCanvasElement from which frames are being captured. 
 An HTMLCanvasElement indicating the canvas which is the source of the frames being captured. 
js
// Find the canvas element to capture const canvasElt = document.querySelector("canvas"); // Get the stream const stream = canvasElt.captureStream(25); // 25 FPS // Do things to the stream // … // Obtain the canvas associated with the stream const canvas = stream.canvas;
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
canvas | 
51 | 79 | 43 | No | 38 | 11 | 51 | 51 | 43 | 41 | 11 | 5.0 | 
HTMLCanvasElement.captureStream() to create a stream to capture a given canvas element. <canvas>
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    https://developer.mozilla.org/en-US/docs/Web/API/CanvasCaptureMediaStreamTrack/canvas