CanvasCaptureMediaStreamTrack: canvas property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
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 |
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| Media Capture from DOM Elements # dom-canvascapturemediastreamtrack-canvas |
Browser compatibility
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canvas
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Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
See also
HTMLCanvasElement.captureStream()to create a stream to capture a given canvas element.<canvas>