[Alikberov]

const Users = [
  {
    name: "Moore Hensley",
    email: "moorehensley@indexia.com",
    eyeColor: "blue",
    friends: ["Sharron Pace"],
    isActive: false,
    balance: 2811,
    gender: "male",
    age: 37
  },
  {
    name: "Sharlene Bush",
    email: "sharlenebush@tubesys.com",
    eyeColor: "blue",
    friends: ["Briana Decker", "Sharron Pace"],
    isActive: true,
    balance: 3821,
    gender: "female",
    age: 34
  },
  {
    name: "Ross Vazquez",
    email: "rossvazquez@xinware.com",
    eyeColor: "green",
    friends: ["Marilyn Mcintosh", "Padilla Garrison", "Naomi Buckner"],
    isActive: false,
    balance: 3793,
    gender: "male",
    age: 24
  },
  {
    name: "Elma Head",
    email: "elmahead@omatom.com",
    eyeColor: "green",
    friends: ["Goldie Gentry", "Aisha Tran"],
    isActive: true,
    balance: 2278,
    gender: "female",
    age: 21
  },
  {
    name: "Carey Barr",
    email: "careybarr@nurali.com",
    eyeColor: "blue",
    friends: ["Jordan Sampson", "Eddie Strong"],
    isActive: true,
    balance: 3951,
    gender: "male",
    age: 27
  },
  {
    name: "Blackburn Dotson",
    email: "blackburndotson@furnigeer.com",
    eyeColor: "brown",
    friends: ["Jacklyn Lucas", "Linda Chapman"],
    isActive: false,
    balance: 1498,
    gender: "male",
    age: 38
  },
  {
    name: "Sheree Anthony",
    email: "shereeanthony@kog.com",
    eyeColor: "brown",
    friends: ["Goldie Gentry", "Briana Decker"],
    isActive: true,
    balance: 2764,
    gender: "female",
    age: 39
  }
];

function getFriends(users) {
	var friends = new Set();
	for(const user of users) {
		for(const friend of user.friends) {
			friends.add(friend);
		}
	}
	return Array.from(friends);
}

console.log(getFriends(Users));