WPT
wpt / web-locks / acquire.https.any.serviceworker.html
Spec: Web Locks API ↗
Runs: Chrome 155.0.8038.0 (wpt@b1a7025f8, 2026-09-02) | Firefox 157.0a1 (wpt@b1a7025f8, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7884 (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.5 (wpt@2ccd2cbf8, 2026-09-01) | Blitz 7727414ca (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 11/11 | 11/11 | 11/11 | 0/11 | 0/11 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| navigator.locks.request requires a name and a callback | PASS | PASS | PASS | — | — | — |
| mode must be "shared" or "exclusive" | PASS | PASS | PASS | — | — | — |
| The 'steal' and 'ifAvailable' options are mutually exclusive | PASS | PASS | PASS | — | — | — |
| The 'steal' option must be used with exclusive locks | PASS | PASS | PASS | — | — | — |
| The 'signal' and 'steal' options are mutually exclusive | PASS | PASS | PASS | — | — | — |
| The 'signal' and 'ifAvailable' options are mutually exclusive | PASS | PASS | PASS | — | — | — |
| callback must be a function | PASS | PASS | PASS | — | — | — |
| navigator.locks.request's returned promise resolves after lock is released | PASS | PASS | PASS | — | — | — |
| Returned Promise rejects if callback throws synchronously | PASS | PASS | PASS | — | — | — |
| Returned Promise rejects if callback throws asynchronously | PASS | PASS | PASS | — | — | — |
| If callback throws a thenable, its then() should not be invoked | PASS | PASS | PASS | — | — | — |