CanvasCaptureMediaStreamTrack.canvas

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

Syntax

var elt = stream.canvas;

Value

An HTMLCanvasElement indicating the canvas which is the source of the frames being captured.

Example

// Find the canvas element to capture
var canvasElt = document.getElementsByTagName("canvas")[0];

// Get the stream
var stream = canvasElt.captureStream(25); // 25 FPS

// Do things to the stream
...

// Obtain the canvas associated with the stream
var canvas = stream.canvas;

Specifications

Specification Status Comment
Media Capture from DOM Elements
The definition of 'CanvasCaptureMediaStreamTrack.canvas' in that specification.
Working Draft Initial definition

Browser compatibility

BCD tables only load in the browser

See also