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Coverage / webcodecs

WebCodecs

Specification: w3c.github.io/webcodecs/. 12 interfaces defined here, 94 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 94)0 of 12
happy-dom21.0.30% (0 of 94)0 of 12
jsdom30.1.30% (0 of 94)0 of 12
linkedom0.18.130% (0 of 94)0 of 12
12 of 12 interfaces
AudioData10 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
AudioDecoder9 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
AudioEncoder9 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
EncodedAudioChunk5 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
EncodedVideoChunk5 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
ImageDecoder8 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
ImageTrack4 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
ImageTrackList4 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
VideoColorSpace5 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
VideoDecoder9 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
VideoEncoder9 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
VideoFrame17 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing

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