WPT
wpt / intersection-observer / observer-attributes.html
Spec: Intersection Observer ↗
Runs: Chrome 155.0.8043.0 (wpt@d317428a6, 2026-09-05) | Firefox 157.0a1 (wpt@d317428a6, 2026-09-05) | Safari 251 preview (wpt@c29bd2aee, 2026-09-05) | Ladybird 1.0-62d2b (wpt@6f9e382f6, 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 | 9/9 | 9/9 | 9/9 | 9/9 | 9/9 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Observer attribute getters. | PASS | PASS | PASS | PASS | PASS | — |
| observer.root | PASS | PASS | PASS | PASS | PASS | — |
| observer.thresholds | PASS | PASS | PASS | PASS | PASS | — |
| observer.rootMargin | PASS | PASS | PASS | PASS | PASS | — |
| empty observer.thresholds | PASS | PASS | PASS | PASS | PASS | — |
| whitespace observer.rootMargin | PASS | PASS | PASS | PASS | PASS | — |
| set observer.root | PASS | PASS | PASS | PASS | PASS | — |
| set observer.thresholds | PASS | PASS | PASS | PASS | PASS | — |
| set observer.rootMargin | PASS | PASS | PASS | PASS | PASS | — |