WPT
wpt / scroll-animations / css / animation-timeline-named-scroll-progress-timeline.tentative.html
Spec: Scroll-driven Animations ↗
Runs: Chrome 155.0.8041.0 (wpt@a1690333b, 2026-09-04) | Firefox 157.0a1 (wpt@a1690333b, 2026-09-04) | Safari 251 preview (wpt@a1e944e7a, 2026-09-04) | Ladybird 1.0-a7825 (wpt@9298d21d2, 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 | 9/12 | 12/12 | 9/12 | 0/12 | 0/12 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| scroll-timeline-name is referenceable in animation-timeline on the declaring element itself | PASS | PASS | PASS | FAIL | — | — |
| scroll-timeline-name is referenceable in animation-timeline on that element's descendants | PASS | PASS | PASS | FAIL | — | — |
| scroll-timeline-name on an element which is not a scroll-container | PASS | PASS | PASS | FAIL | — | — |
| Change in scroll-timeline-name to match animation timeline updates animation. | FAIL | PASS | FAIL | FAIL | — | — |
| Change in scroll-timeline-name to no longer match animation timeline updates animation. | FAIL | PASS | FAIL | FAIL | — | — |
| Timeline lookup updates candidate when closer match available. | PASS | PASS | PASS | FAIL | — | — |
| Timeline lookup updates candidate when match becomes available. | FAIL | PASS | FAIL | FAIL | — | — |
| scroll-timeline-axis is block | PASS | PASS | PASS | FAIL | — | — |
| scroll-timeline-axis is inline | PASS | PASS | PASS | FAIL | — | — |
| scroll-timeline-axis is x | PASS | PASS | PASS | FAIL | — | — |
| scroll-timeline-axis is y | PASS | PASS | PASS | FAIL | — | — |
| scroll-timeline-axis is mutated | PASS | PASS | PASS | FAIL | — | — |