Q = require 'q'
_ = require 'lodash'

array = [1, 2, 3, 4, 5]

func = (n) ->
  d = Q.defer()
  setTimeout ->
    d.resolve n * n
  , 100
  d.promise

Q.all(_.map(array, func)).done (res) ->
  console.log res  # [1, 4, 9, 16, 25]