Implement the exercise 3: Counting Change on "Functional Programming Principles in Scala" course via CoffeeScript.

countChange.coffee

countChange = (money, coins) ->
  _targetMoney = money
  
  loops = (_currentMoney, _canUsedCoins) ->

    return 0 if (_.isEmpty(_canUsedCoins))
    
    h = _.head _canUsedCoins
    t = _.tail _canUsedCoins
    newMoney = _currentMoney + h
    
    return 0 if newMoney > _targetMoney
    return 1 if newMoney == _targetMoney
    
    loops(newMoney,  _canUsedCoins) + loops(_currentMoney, t)
  
  loops(0, coins)
  
console.log countChange(5,[1,2])