Concatenating an array of arrays in Coffeescript

Question

I\'m trying to find an elegant way in Coffeescript to merge an array of arrays, so that [[1,2,3],[4,5,6],[7,8,9]] ==> [1,2,3,4,5,6,7,8,9].

As you might imagine, I need t

Answer 1

sugarjs is another elegance way to do it:

[[1, 2, 3]].flatten() //=> [1, 2, 3]

sugarjs: flatten