WPT
wpt / dom / events / webkit-animation-start-event.html
Spec: DOM ↗
Runs: Chrome 155.0.8043.0 (wpt@b89af32bc, 2026-09-05) | Firefox 157.0a1 (wpt@b89af32bc, 2026-09-05) | Safari 251 preview (wpt@9b965429d, 2026-09-05) | Ladybird 1.0-4c004 (wpt@b09f5cdca, 2026-09-05) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | 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 | 13/13 | 13/13 | 13/13 | 9/13 | 8/13 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| onanimationstart and onwebkitanimationstart are not aliases | PASS | PASS | PASS | PASS | PASS | — |
| dispatchEvent of a webkitAnimationStart event does trigger a prefixed event handler or listener | PASS | PASS | PASS | PASS | FAIL | — |
| dispatchEvent of a webkitAnimationStart event does not trigger an unprefixed event handler or listener | PASS | PASS | PASS | PASS | PASS | — |
| dispatchEvent of an animationstart event does not trigger a prefixed event handler or listener | PASS | PASS | PASS | PASS | PASS | — |
| onwebkitanimationstart event handler should trigger for an animation | PASS | PASS | PASS | FAIL | FAIL | — |
| onwebkitanimationstart event handler should not trigger if an unprefixed event handler also exists | PASS | PASS | PASS | PASS | PASS | — |
| onwebkitanimationstart event handler should not trigger if an unprefixed listener also exists | PASS | PASS | PASS | PASS | PASS | — |
| event types for prefixed and unprefixed animationstart event handlers should be named appropriately | PASS | PASS | PASS | FAIL | FAIL | — |
| webkitAnimationStart event listener should trigger for an animation | PASS | PASS | PASS | FAIL | FAIL | — |
| webkitAnimationStart event listener should not trigger if an unprefixed listener also exists | PASS | PASS | PASS | PASS | PASS | — |
| webkitAnimationStart event listener should not trigger if an unprefixed event handler also exists | PASS | PASS | PASS | PASS | PASS | — |
| event types for prefixed and unprefixed animationstart event listeners should be named appropriately | PASS | PASS | PASS | FAIL | FAIL | — |
| webkitAnimationStart event listener is case sensitive | PASS | PASS | PASS | PASS | PASS | — |