class type intersectionObserverEntry = object ... end
val empty_intersection_observer_options : unit -> intersectionObserverOptions Js_of_ocaml.Js.t
val is_supported : unit -> bool
val intersectionObserver : ((intersectionObserverEntry Js_of_ocaml.Js.t Js_of_ocaml.Js.js_array Js_of_ocaml.Js.t -> intersectionObserver Js_of_ocaml.Js.t -> unit) Js_of_ocaml.Js.callback -> intersectionObserverOptions Js_of_ocaml.Js.t -> intersectionObserver Js_of_ocaml.Js.t) Js_of_ocaml.Js.constr