projection-3.js

'use strict';

function projection() {
  var newReleases = [{
      "id": 70111470,
      "title": "Die Hard",
      "rating": [4.0]
    }, {
      "id": 654356453,
      "title": "Bad Boys",
      "rating": [5.0]
    }, {
      "id": 65432445,
      "title": "The Chamber",
      "rating": [4.0]
    }, {
      "id": 675465,
      "title": "Fracture",
      "rating": [5.0]
    }];

  return newReleases.map( release => ({ 
      id: release['id'], 
      title: release['title'] 
    })
  );
}

console.log(projection());
/*
[{id: 10111470, title: "Die Hard"}, 
{id: 654356453, title: "Bad Boys"}, 
{id: 65432445, title: "The Chamber"},
{id: 675465, title: "Fracture"}
]
*/