Class type Dom_html.animationEvent
method animationName : Js_of_ocaml__Js.js_string Js_of_ocaml__Js.t Js_of_ocaml__Js.readonly_prop
method elapsedTime : float Js_of_ocaml__Js.readonly_prop
method pseudoElement : Js_of_ocaml__Js.js_string Js_of_ocaml__Js.t Js_of_ocaml__Js.readonly_prop