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conformance · v132

v132 · navigator-storage-no-longer-an-eventtarget — 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://storage.spec.whatwg.org/#storagemanager chromestatus: #5666274359115776 generated 2026-06-01T08:28:00Z by conformance-author-v1-subagent
0
pass
0
fail
0
blocked
6
total
id contract kind verdict detail
storage-manager-exists StorageManager is exposed. spec ↗ exists
navigator-storage-is-storage-manager navigator.storage is a StorageManager instance. script
storage-estimate-is-function StorageManager.prototype.estimate remains a function. typeof
storage-manager-not-event-target StorageManager.prototype no longer inherits from EventTarget — addEventListener should not exist on it directly. spec ↗ script
navigator-storage-no-add-event-listener navigator.storage instances no longer expose addEventListener. spec ↗ script
navigator-storage-no-onquotachange navigator.storage no longer has an onquotachange handler property — the change removes the EventTarget surface entirely. spec ↗ script