← back to v142 · activeviewtransition-property-on-document
conformance · v142
v142 · activeviewtransition-property-on-document — conformance probe
6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
active-view-transition-property-exists |
Document exposes an activeViewTransition IDL attribute. spec ↗ | script | … | |
active-view-transition-null-by-default |
document.activeViewTransition is null when no transition is in flight. | script | … | |
start-view-transition-still-available |
document.startViewTransition remains the way to begin an SPA transition. spec ↗ | typeof | … | |
view-transition-interface-exists |
The ViewTransition interface is exposed so the activeViewTransition return value has a usable type. | exists | … | |
active-view-transition-reflects-running-transition |
Calling document.startViewTransition sets document.activeViewTransition to the returned transition for the duration of the transition. spec ↗ | script | … | |
active-view-transition-clears-after-finished |
Once the transition's finished promise settles, document.activeViewTransition returns to null. | script | … |