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conformance · v145

v145 · navigation-api-expose-destination-in-navigation-transition — 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.

browser: spec: https://html.spec.whatwg.org/#dom-navigationtransition-to chromestatus: #6008183302782976 generated 2026-06-01T08:14:32Z by conformance-author-v1-subagent
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pass
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fail
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blocked
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id contract kind verdict detail
navigation-exists window.navigation is exposed — the Navigation API surface that carries transition state. exists
navigation-transition-interface-exists NavigationTransition is exposed — the type whose 'to' property is the new addition. exists
navigation-transition-from-attribute NavigationTransition.prototype exposes the pre-existing 'from' attribute, which 'to' now complements. spec ↗ script
navigation-transition-to-attribute NavigationTransition.prototype exposes the new 'to' accessor returning a NavigationDestination. spec ↗ script
navigation-destination-interface-exists NavigationDestination is exposed — the type returned by transition.to and by intercept handlers. exists
navigation-destination-url-property NavigationDestination.prototype exposes 'url' — the property a precommit handler reads to decide on the navigation. spec ↗ script