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Coverage / mediacapture-fromelement

Media Capture from DOM Elements

Specification: w3c.github.io/mediacapture-fromelement/. 1 interface defined here, 4 members exposed on Window (Web IDL). Group: Media and devices.

Existence only: “present” means the name is defined where Web IDL puts it, not that it behaves as the standard says. The featured checks test behavior.

Share present per engine
EngineMembers presentInterfaces present
warpdom0.1.6maintainer's engine0% (0 of 4)0 of 1
happy-dom21.0.3100% (4 of 4)1 of 1
jsdom30.1.30% (0 of 4)0 of 1
linkedom0.18.130% (0 of 4)0 of 1
3 of 3 interfaces
CanvasCaptureMediaStreamTrack2 memberswarpdom: Missinghappy-dom: Presentjsdom: Missinglinkedom: Missing
HTMLCanvasElement1 member added to HTMLCanvasElement (defined in HTML)warpdom: 0/1happy-dom: 1/1jsdom: 0/1linkedom: 0/1
HTMLMediaElement1 member added to HTMLMediaElement (defined in HTML)warpdom: 0/1happy-dom: 1/1jsdom: 0/1linkedom: 0/1

Probed 2026-10-19. Data: idl.json (CC BY 4.0).