Docs4dev
Docs

CanvasCaptureMediaStreamTrack: canvas property

The CanvasCaptureMediaStreamTrack canvas read-only property 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 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

See also

© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CanvasCaptureMediaStreamTrack/canvas