WPT
wpt / fs / FileSystemBaseHandle-postMessage-windows.https.window.html
Spec: File System ↗
Runs: Chrome 155.0.8042.0 (wpt@5a6adac43, 2026-09-04) | Firefox 157.0a1 (wpt@0588f3896, 2026-09-04) | Safari 251 preview (wpt@e7122b73f, 2026-09-04) | Ladybird 1.0-b1af2 (wpt@0588f3896, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 3/3 | 3/3 | 3/3 | 0/3 | 0/3 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Send and receive messages using a same origin window. | PASS | PASS | PASS | FAIL | FAIL | — |
| Send and receive messages using a blob window. | PASS | PASS | PASS | FAIL | FAIL | — |
| Send and receive messages using a sandboxed same origin window. | PASS | PASS | PASS | FAIL | FAIL | — |