coderef

Capture HandleLimited availability

The capture handle API allows you to share a custom handle (a string) from a web application being captured by getDisplayMedia() to the capturing web application.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–101Not supported
102+Supportedsince May 24, 2022
Current: 155
Edge
12–101Not supported
102+Supportedsince May 31, 2022
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
✕Not supportedup to 155
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Firefox, Safari, Chrome Android, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

JS · check before using
if ("MediaDevices" in globalThis && "setCaptureHandleConfig" in MediaDevices.prototype) {
  // MediaDevices.setCaptureHandleConfig is available
}

Sub-features

Support for each part of the feature (3). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
MediaDevices.setCaptureHandleConfig102102✕✕✕✕✕
MediaStreamTrack.capturehandlechange_event102102✕✕✕✕✕
MediaStreamTrack.getCaptureHandle102102✕✕✕✕✕