Generate random numbers for lotto games

lotto.js

function lotto(slots, max, min) {
  slots = slots ?? 6;
  max = max ?? 60;
  min = min ?? 1;
  
  const numbers = new Set();

  while (numbers.size < slots) {
    const num = Math.floor(Math.random() * max) + min;
    numbers.add(num);
  }

  return Array.from(numbers).sort((a,b) => a - b);
}