mega-sena-random-numbers.js

const maxNumbers = 60;
const defaultNumberListLength = 6;
const defaultBetNumber = 10;

function generateRandomNumber() {
  return parseInt((Math.random() * maxNumbers)) + 1;
}

function generateRandomNumberList(numberListLength = defaultNumberListLength) {
  const numbers = [];

  do {
    const randomNumber = generateRandomNumber();

    if (!numbers.includes(randomNumber)) {
      numbers.push(randomNumber);
    }
  } while (numbers.length < numberListLength);

  return numbers;
}

function generateRandomBet(betNumber = defaultBetNumber) {
  const bets = [];

  for (let i = 0; i < betNumber; i++) {
    bets.push(generateRandomNumberList());
  }

  return bets;
}

function main() {
  generateRandomBet().forEach((bet, i) => console.log(`${i + 1}:`, bet, '\n'));
}

main();