Class type Form.formData

method append : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> unit Js_of_ocaml__.Js.meth
method append_blob : Js_of_ocaml__.Js.js_string Js_of_ocaml__.Js.t -> Js_of_ocaml__.File.blob Js_of_ocaml__.Js.t -> unit Js_of_ocaml__.Js.meth