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

// 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

• Media Capture from DOM Elements

See also

• HTMLCanvasElement.captureStream() to create a stream to capture a given canvas element.
• <canvas>