WPT
wpt / uievents / mouse / synthetic-mouse-enter-leave-over-out-button-state-after-target-removed.tentative.html?buttonType=MIDDLE&button=1&buttons=4
Spec: UI Events ↗
Runs: Chrome 155.0.8043.0 (wpt@21420d4c0, 2026-09-05) | Firefox 157.0a1 (wpt@9b965429d, 2026-09-05) | Safari 251 preview (wpt@c29bd2aee, 2026-09-05) | Ladybird 1.0-4912a (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 | 8/11 | 9/11 | 5/11 | 4/11 | 0/11 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Setup event listeners and wait for load | PASS | PASS | PASS | PASS | — | — |
| Removing an element at mousedown | PASS | PASS | PASS | PASS | — | — |
| Removing an element at mouseup | PASS | PASS | FAIL | FAIL | — | — |
| Removing an element at mousedown: mousedown should've been fired | PASS | PASS | PASS | PASS | — | — |
| Removing an element at mousedown: mouseout and mouseleave should've been fired on the removed child | FAIL | FAIL | FAIL | FAIL | — | — |
| Removing an element at mousedown: mouseover should've been fired on the parent | FAIL | PASS | FAIL | FAIL | — | — |
| Removing an element at mousedown: mouseenter should not have been fired on the parent | PASS | PASS | PASS | FAIL | — | — |
| Removing an element at mouseup: mousedown should've been fired | PASS | PASS | PASS | PASS | — | — |
| Removing an element at mouseup: mouseout and mouseleave should've been fired on the removed child | FAIL | FAIL | — | — | — | — |
| Removing an element at mouseup: mouseover should've been fired on the parent | PASS | PASS | — | — | — | — |
| Removing an element at mouseup: mouseenter should not have been fired on the parent | PASS | PASS | — | — | — | — |