compare.coffee

list = [0...10]
otherList = [0...10]

zip = (arrays...) ->
 length = 0
 for array in arrays when array.length > length
  length = array.length
 for i in [0...length]
  array[i] for array in arrays

Array::zip = (arrays...) ->
 zip this, arrays...

Array::equals = (that) ->
 for [a, b] in @zip that when a isnt b
  return false
 return true

console.log list.equals otherList
console.log list.zip otherList
console.log zip [0,1,2], [4,5,6], [7,8,9]