CanvasCaptureMediaStreamTrack: canvas property

The canvas read-only property of the CanvasCaptureMediaStreamTrack interface returns the HTMLCanvasElement from which frames are being captured.

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

Specification
Media Capture from DOM Elements
# dom-canvascapturemediastreamtrack-canvas

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

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https://developer.mozilla.org/en-US/docs/Web/API/CanvasCaptureMediaStreamTrack/canvas