Class type IntersectionObserver.intersectionObserverOptions
method root : Js_of_ocaml__.Dom.node Js_of_ocaml__.Js.t
Js_of_ocaml__.Js.writeonly_prop
method rootMargin : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t
Js_of_ocaml__.Js.writeonly_prop
method threshold : Js_of_ocaml__.Js.number_t Js_of_ocaml__.Js.js_array
Js_of_ocaml__.Js.t
Js_of_ocaml__.Js.writeonly_prop