WPT
wpt / mediasession / positionstate.html
Spec: Media Session ↗
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)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 12/12 | 12/12 | 12/12 | 5/12 | 12/12 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Test setPositionState with a null value | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState with a valid value for forward playback | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState with optional position | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState with optional playback rate | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState with only duration | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState with zero duration | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState with negative playback rate | PASS | PASS | PASS | FAIL | PASS | — |
| Test setPositionState throws a TypeError if duration is negative | PASS | PASS | PASS | PASS | PASS | — |
| Test setPositionState throws a TypeError if position is negative | PASS | PASS | PASS | PASS | PASS | — |
| Test setPositionState throws a TypeError if duration is less than position | PASS | PASS | PASS | PASS | PASS | — |
| Test setPositionState throws a TypeError if playback rate is zero | PASS | PASS | PASS | PASS | PASS | — |
| Test setPositionState throws a TypeError if duration is not specified | PASS | PASS | PASS | PASS | PASS | — |