Goldeneye , Archive , 1 m 45 s game on . Facility 2 m 15 s . The number of attempts boggles the mind . <| sep |> Make sure to use the direct image link though . Regular links don ' t work that well on mobile . <| sep |> This is just linking ! <| sep |> Get a really shitty one and start doing stuff to it . <| sep |> Most people think Rae Sremmurd is a single person . <| sep |> wow thanks , I was afraid I ' d have to buy it . I ' ll read through it . <| sep |> Essentially Objects . keys gets a list containing the objects keys , and map let ' s you apply a function to every object in an array , so we apply the given function to every key in the object . The function given to map takes parameters key and index , which are what you assume . Then you get the value for the key . We map twice , once on new and once on old , because the first doesn ' t account for values in old that aren ' t in new .