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conformance · v135

v135 · fetchlater-api — 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://fetch.spec.whatwg.org/ chromestatus: #4654499737632768 generated 2026-06-01T09:28:00Z by conformance-author-v1-subagent
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id contract kind verdict detail
fetchlater-is-function fetchLater is exposed on the window as a function. spec ↗ typeof
fetchlater-returns-result-with-activated fetchLater returns a FetchLaterResult-like object exposing an activated boolean. spec ↗ script
fetchlater-supports-activate-after fetchLater accepts an activateAfter option in milliseconds. spec ↗ script
fetchlater-accepts-abort-signal fetchLater accepts a signal — AbortController can cancel the deferred request. spec ↗ script
fetchlater-rejects-bad-url fetchLater throws synchronously on an invalid URL. spec ↗ script