WPT
wpt / html / semantics / the-button-element / command-and-commandfor / event-interface.html
Spec: HTML ↗
Runs: Chrome 155.0.8042.0 (wpt@a1ecd0c09, 2026-09-04) | Firefox 157.0a1 (wpt@e23cee339, 2026-09-04) | Safari 251 preview (wpt@e7122b73f, 2026-09-04) | Ladybird 1.0-52f0f (wpt@0588f3896, 2026-09-04) | 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 | 22/22 | 22/22 | 22/22 | 22/22 | 22/22 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| command is a readonly defaulting to '' | PASS | PASS | PASS | PASS | PASS | — |
| source is readonly defaulting to null | PASS | PASS | PASS | PASS | PASS | — |
| command reflects initialized attribute | PASS | PASS | PASS | PASS | PASS | — |
| command set to undefined | PASS | PASS | PASS | PASS | PASS | — |
| command set to null | PASS | PASS | PASS | PASS | PASS | — |
| command set to false | PASS | PASS | PASS | PASS | PASS | — |
| command explicitly set to empty string | PASS | PASS | PASS | PASS | PASS | — |
| command set to true | PASS | PASS | PASS | PASS | PASS | — |
| command set to a number | PASS | PASS | PASS | PASS | PASS | — |
| command set to [] | PASS | PASS | PASS | PASS | PASS | — |
| command set to [1, 2, 3] | PASS | PASS | PASS | PASS | PASS | — |
| command set to an object | PASS | PASS | PASS | PASS | PASS | — |
| command set to an object with a toString function | PASS | PASS | PASS | PASS | PASS | — |
| CommandEventInit properties set value | PASS | PASS | PASS | PASS | PASS | — |
| CommandEventInit properties set value 2 | PASS | PASS | PASS | PASS | PASS | — |
| CommandEventInit properties set value 3 | PASS | PASS | PASS | PASS | PASS | — |
| source set to undefined | PASS | PASS | PASS | PASS | PASS | — |
| source set to null | PASS | PASS | PASS | PASS | PASS | — |
| source set to false | PASS | PASS | PASS | PASS | PASS | — |
| source set to true | PASS | PASS | PASS | PASS | PASS | — |
| source set to {} | PASS | PASS | PASS | PASS | PASS | — |
| source set to non-Element EventTarget | PASS | PASS | PASS | PASS | PASS | — |