Composing Reactive Animations (1998)

If this style of programming interests you check out Elm [1], a functional language made for the web that uses this FRP style. The creator was recently hired by Prezi to work on Elm full time [2].

[1]: http://elm-lang.org/ [2]: http://engineering.prezi.com/blog/2013/05/21/elm-at-prezi/