WPT
This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.
wpt / workers / interfaces / WorkerGlobalScope / onerror
Spec: https://html.spec.whatwg.org/multipage/workers.html ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@4a01b83e3, 2026-09-04) | Safari 251 preview (wpt@a1e944e7a, 2026-09-04) | Ladybird 1.0-a7825 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 96.7%58/60 | 100.0%60/60 | 100.0%60/60 | 65.0%39/60 | 100.0%60/60 | 0.0%0/60 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| exception-in-onerror.html | 16/16 | 16/16 | 16/16 | 16/16 | 16/16 | NOT RUN |
| handled.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| message-classic-DOMException.html | 10/10 | 10/10 | 10/10 | 0/10 | 10/10 | NOT RUN |
| message-classic-Error.html | 10/10 | 10/10 | 10/10 | 10/10 | 10/10 | NOT RUN |
| message-module-DOMException.html | 8/10 | 10/10 | 10/10 | 0/10 | 10/10 | NOT RUN |
| message-module-Error.html | 10/10 | 10/10 | 10/10 | 10/10 | 10/10 | NOT RUN |
| not-handled.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| propagate-to-window-onerror.html | PASS | PASS | PASS | FAIL | PASS | NOT RUN |