class type geolocation =object
..end
method getCurrentPosition : (position Js.t -> unit) Js.callback ->
(positionError Js.t -> unit) Js.callback ->
positionOptions Js.t -> unit Js.meth
method watchPosition : (position Js.t -> unit) Js.callback ->
(positionError Js.t -> unit) Js.callback ->
positionOptions Js.t -> watchId Js.meth
method clearWatch : watchId -> unit Js.meth