The canvas
read-only property of the CanvasCaptureMediaStreamTrack
interface returns the HTMLCanvasElement
from which frames are being captured.
CanvasCaptureMediaStreamTrack: canvas property
Value
An HTMLCanvasElement
indicating the canvas, which is the source of the frames being captured.
Example
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;
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | ||
canvas |
51 | 79 | No | 38 | 11 | 51 | No | 41 | 11 | 5.0 | 51 |
See also
-
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