method length : int Js_of_ocaml__.Js.readonly_prop
method item : int ->
'node Js_of_ocaml__.Js.t Js_of_ocaml__.Js.opt Js_of_ocaml__.Js.meth
method namedItem : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t ->
'node Js_of_ocaml__.Js.t Js_of_ocaml__.Js.opt Js_of_ocaml__.Js.meth