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Coverage / web-animations

Web Animations

Specification: drafts.csswg.org/web-animations-1/. 5 interfaces defined here, 33 members exposed on Window (Web IDL). Group: Test DOM core.

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 33)0 of 5
happy-dom21.0.355% (18 of 33)4 of 5
jsdom30.1.30% (0 of 33)0 of 5
linkedom0.18.130% (0 of 33)0 of 5
8 of 8 interfaces
Animation20 memberswarpdom: Missinghappy-dom: Presentjsdom: Missinglinkedom: Missing
AnimationEffect3 memberswarpdom: Missinghappy-dom: Missingjsdom: Missinglinkedom: Missing
AnimationTimeline0 memberswarpdom: Missinghappy-dom: Presentjsdom: Missinglinkedom: Missing
Document2 members added to Document (defined in DOM)warpdom: 0/2happy-dom: 1/2jsdom: 0/2linkedom: 0/2
DocumentTimeline0 memberswarpdom: Missinghappy-dom: Presentjsdom: Missinglinkedom: Missing
Element2 members added to Element (defined in DOM)warpdom: 0/2happy-dom: 2/2jsdom: 0/2linkedom: 0/2
KeyframeEffect5 memberswarpdom: Missinghappy-dom: Presentjsdom: Missinglinkedom: Missing
ShadowRoot1 member added to ShadowRoot (defined in DOM)warpdom: 0/1happy-dom: 1/1jsdom: 0/1linkedom: 0/1

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