WPT
wpt / intersection-observer / observer-exceptions.html
Spec: Intersection Observer ↗
Runs: Chrome 155.0.8041.0 (wpt@4fbf9ef4d, 2026-09-04) | Firefox 157.0a1 (wpt@4fbf9ef4d, 2026-09-04) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7825 (wpt@4fbf9ef4d, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | 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 |
|---|---|---|---|---|---|---|
| IntersectionObserver constructor with { threshold: [1.1] } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { threshold: ["foo"] } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { rootMargin: "1" } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { rootMargin: "2em" } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { rootMargin: "auto" } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { rootMargin: "calc(1px + 2px)" } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { rootMargin: "1px !important" } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver constructor with { rootMargin: "1px 1px 1px 1px 1px" } | PASS | PASS | PASS | PASS | PASS | — |
| IntersectionObserver.observe("foo") | PASS | PASS | PASS | PASS | PASS | — |