Event-driven programming in JavaScript often leads to code that is messy and hard to maintain. We have found arrows, a generalization of monads, to be an elegant solution to this problem. Our arrow-based Arrowlets library makes it easy to compose eventdriven programs in modular units of code. In particular, we show how to implement drag-and-drop modularly using arrows.

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@INPROCEEDINGS{khoo08jsarrows,
  AUTHOR = {Yit Phang Khoo and Michael Hicks and Jeffrey S. Foster and Vibha Sazawal},
  TITLE = {Directing JavaScript with Arrows (poster summary)},
  BOOKTITLE = {Poster Proceedings of the {ACM} International Conference on Functional Programming (ICFP)},
  MONTH = SEP,
  YEAR = 2008
}