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fay

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fay is an open source programming language created in 2012 by Chris Done.

#447on PLDB 12Years Old
Download source code:
git clone https://github.com/faylang/fay

A proper subset of Haskell that compiles to JavaScript


Example from the web:
{-# LANGUAGE EmptyDataDecls #-} module Hello where import FFI data Event alert :: String -> Fay () alert = ffi "alert(%1)" setBodyHtml :: String -> Fay () setBodyHtml = ffi "document.body.innerHTML = %1" addWindowEvent :: String -> (Event -> Fay ()) -> Fay () addWindowEvent = ffi "window.addEventListener(%1, %2)" greet :: Event -> Fay () greet event = do putStrLn "The document has loaded" setBodyHtml "Hello HTML!" main :: Fay () main = do putStrLn "Hello Console!" alert "Hello Alert!" addWindowEvent "load" greet

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