WPT
wpt / webaudio / the-audio-api / the-audioworklet-interface / audioworklet-postmessage-sharedarraybuffer.https.html
Spec: Web Audio API ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 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 | 8/8 | 8/8 | 8/8 | 0/8 | 0/8 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| # AUDIT TASK RUNNER STARTED. | PASS | PASS | PASS | — | — | — |
| Executing "Test postMessage from AudioWorkletProcessor to AudioWorkletNode" | PASS | PASS | PASS | — | — | — |
| Audit report | PASS | PASS | PASS | — | — | — |
| > [Test postMessage from AudioWorkletProcessor to AudioWorkletNode] | PASS | PASS | PASS | — | — | — |
| event.data.sab from worklet is an instance of SharedArrayBuffer is true. | PASS | PASS | PASS | — | — | — |
| event.data from main thread is an instance of SharedArrayBuffer is true. | PASS | PASS | PASS | — | — | — |
| < [Test postMessage from AudioWorkletProcessor to AudioWorkletNode] All assertions passed. (total 2 assertions) | PASS | PASS | PASS | — | — | — |
| # AUDIT TASK RUNNER FINISHED: 1 tasks ran successfully. | PASS | PASS | PASS | — | — | — |