Exercise 4

ex4.js

function lotteryNum() {
  return (Math.round(Math.random() * 100) % 58) + 1;
}

function pickNumber(numbers) {
  let newNumber;
  let found;
  do {
    newNumber = lotteryNum();
    found = numbers.find(number => newNumber === number);
  } while (found);
  return [...numbers, newNumber].sort((a, b) => a - b);
}

var luckyLotteryNumbers = [];

for (var i = 0; i < 6; i++) {
  luckyLotteryNumbers = pickNumber(Object.freeze(luckyLotteryNumbers));
}

console.log(luckyLotteryNumbers);