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conformance · v135

v135 · navigateevent-sourceelement — conformance probe

5 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/multipage/nav-history-apis.html#dom-navigateevent-sourceelement chromestatus: #5134353390895104 generated 2026-06-01T09:38:00Z by conformance-author-v1-subagent
0
pass
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fail
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blocked
5
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id contract kind verdict detail
navigate-event-exists NavigateEvent is exposed — the event type carrying the new sourceElement. spec ↗ exists
navigation-singleton-exists window.navigation is exposed — the dispatcher of NavigateEvent. spec ↗ exists
source-element-on-prototype NavigateEvent.prototype.sourceElement is exposed. spec ↗ script
source-element-readable-from-instance Constructing a NavigateEvent (or accessing it) exposes a sourceElement getter returning Element-or-null. spec ↗ script
navigate-event-also-has-destination NavigateEvent.prototype.destination is exposed — the existing companion to sourceElement. spec ↗ script