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

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
canvas

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

See also