WPT
wpt / webmessaging / Channel_postMessage_target_source.any.html
Spec: https://html.spec.whatwg.org/multipage/web-messaging.html ↗
Runs: Chrome 155.0.8041.0 (wpt@2c385f65e, 2026-09-04) | Firefox 157.0a1 (wpt@2c385f65e, 2026-09-04) | Safari 251 preview (wpt@a1e944e7a, 2026-09-04) | Ladybird 1.0-a7825 (wpt@2c385f65e, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | 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 | 1/1 | 1/1 | 1/1 | 1/1 | 1/1 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Test Description: The postMessage() method - Let target port be the port with which source port is entangled, if any. | PASS | PASS | PASS | PASS | PASS | — |