If you already know all about higher-order programming and just want a javascript library with all the haskell/ML-style goodness, I highly recommend O. Steele's

If you already know all about higher-order programming and just want a javascript library with all the haskell/ML-style goodness, I highly recommend O. Steele's Functional library: http://osteele.com/sources/javascript/functional/ http://osteele.com/sources/javascript/functional/ If nothing else, then his lambda() implementation with strings should be enough to convince you to use it.