← back to v132 · blob-url-partitioning-fetching-navigation

conformance · v132

v132 · blob-url-partitioning-fetching-navigation — 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://w3c.github.io/FileAPI/#BlobURLStore chromestatus: #5130361898795008 generated 2026-06-01T08:33:00Z by conformance-author-v1-subagent
0
pass
0
fail
0
blocked
6
total
id contract kind verdict detail
url-create-object-url-exists URL.createObjectURL is exposed. typeof
url-revoke-object-url-exists URL.revokeObjectURL is exposed. typeof
blob-url-from-blob Calling URL.createObjectURL with a Blob returns a blob: URL string. spec ↗ script
blob-url-fetchable-same-partition A blob: URL created in this document is fetchable from this same document (same storage key). spec ↗ script
blob-supports-bytes-method Blob exposes a bytes() method (Body mixin) so blob URLs can be introspected. script
iframe-element-supports-src iframes have a src attribute; the partitioning rule applies when navigating an iframe to a blob: URL. script