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conformance · v142

v142 · interest-invokers-the-interestfor-attribute — 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://github.com/whatwg/html/pull/11006 chromestatus: #4530756656562176 generated 2026-06-01T08:13:10Z by conformance-author-v1-subagent
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id contract kind verdict detail
interestfor-on-button HTMLButtonElement reflects the interestfor IDL attribute. script
interestfor-on-anchor HTMLAnchorElement reflects the interestfor IDL attribute — `<a>` is one of the elements that can be an interest invoker. script
interest-event-constructor InterestEvent is exposed; this is the event interface dispatched on the target when interest is shown or lost. exists
interest-event-is-cancelable InterestEvent is constructed cancelable; an authored interest event has cancelable === true by default per the spec text. script
interestfor-attribute-roundtrips Setting button.interestForElement (or button.setAttribute('interestfor', id)) round-trips through the attribute. script
popover-attribute-still-supported interestfor commonly points at a popover; the popover attribute on the target is still parsed. script