WPT
wpt / scroll-animations / css / timeline-offset-keyframes-zero-length-attachment-range.html
Spec: Scroll-driven Animations ↗
Runs: Chrome 155.0.8043.0 (wpt@b89af32bc, 2026-09-05) | Firefox 157.0a1 (wpt@b89af32bc, 2026-09-05) | Safari 251 preview (wpt@b89af32bc, 2026-09-05) | Ladybird 1.0-2f9dc (wpt@b89af32bc, 2026-09-06) | Servo Servo 0.6 (wpt@b89af32bc, 2026-09-06) | 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 | 2/2 | 1/2 | 1/2 | 0/2 | 0/2 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| A zero-length attachment range yields unresolved computed keyframe offsets, not infinite ones | PASS | FAIL | FAIL | FAIL | FAIL | — |
| A non-degenerate attachment range still maps timeline range offsets outside [0,1] | PASS | PASS | PASS | FAIL | FAIL | — |