The Fay Programming Language: Compile Haskell to JavaScript
fay-lang.org
A proper subset of Haskell that compiles to JavaScript.
fay-lang.org
https://news.ycombinator.com/item?id=4276625
People may appreciate the comments there.
I have some concerns, though. I'm no JS expert, but it seems to me the resulting code is a bit difficult to read. The good thing about CoffeeScript is that the code that comes out is more or less like what you put in.