`method onloadstart : ('self Js_of_ocaml__.Js.t, 'self progressEvent Js_of_ocaml__.Js.t) Js_of_ocaml__.Dom.event_listener Js_of_ocaml__.Js.writeonly_prop`
`method onprogress : ('self Js_of_ocaml__.Js.t, 'self progressEvent Js_of_ocaml__.Js.t) Js_of_ocaml__.Dom.event_listener Js_of_ocaml__.Js.writeonly_prop`
`method onload : ('self Js_of_ocaml__.Js.t, 'self progressEvent Js_of_ocaml__.Js.t) Js_of_ocaml__.Dom.event_listener Js_of_ocaml__.Js.writeonly_prop`
`method onabort : ('self Js_of_ocaml__.Js.t, 'self progressEvent Js_of_ocaml__.Js.t) Js_of_ocaml__.Dom.event_listener Js_of_ocaml__.Js.writeonly_prop`
`method onerror : ('self Js_of_ocaml__.Js.t, 'self progressEvent Js_of_ocaml__.Js.t) Js_of_ocaml__.Dom.event_listener Js_of_ocaml__.Js.writeonly_prop`
`method onloadend : ('self Js_of_ocaml__.Js.t, 'self progressEvent Js_of_ocaml__.Js.t) Js_of_ocaml__.Dom.event_listener Js_of_ocaml__.Js.writeonly_prop`