
PASS IntersectionObserver constructor with { threshold: [1.1] }
PASS IntersectionObserver constructor with { threshold: ["foo"] }
PASS IntersectionObserver constructor with { rootMargin: "1" }
PASS IntersectionObserver constructor with { rootMargin: "2em" }
PASS IntersectionObserver constructor with { rootMargin: "auto" }
PASS IntersectionObserver constructor with { rootMargin: "calc(1px + 2px)" }
PASS IntersectionObserver constructor with { rootMargin: "1px !important" }
PASS IntersectionObserver constructor with { rootMargin: "1px 1px 1px 1px 1px" }
PASS IntersectionObserver.observe("foo")