This module provides functions to manipulate forms.

`class type formData = object ... end`
`val formData : formData Js.t Js.constr`
`val formData_form : (Dom_html.formElement Js.t -> formData Js.t) Js.constr`
`type form_elt = [`

1. `| `String of Js.js_string Js.t`
2. `| `File of File.file Js.t`

`]`
`type form_contents = [`

1. `| `Fields of (string * form_elt) list Stdlib.ref`
2. `| `FormData of formData Js.t`

`]`
`val append : form_contents -> (string * form_elt) -> unit`
`val post_form_contents : Dom_html.formElement Js.t -> form_contents`
`val get_form_contents : Dom_html.formElement Js.t -> (string * string) list`
`val empty_form_contents : unit -> form_contents`
`val form_elements : ?get:bool -> Dom_html.formElement Js.t -> (string * form_elt) list`