Inflearn Community Q&A

const SETTING = {
  name: 'LUCKY LOTTO',
  count: 6,
  maxNumber: 45
};

function getRandomNumber(setObj) {
  const rNum = Math.floor(Math.random() * SETTING.maxNumber + 1);
  setObj.add(rNum);
  //랜덤한 유일한 숫자값을 추출
  while (SETTING.count > setObj.size) {
    this.getRandomNumber(setObj);
  }
  return setObj;
}

const lottoSet = new Set();
  const rs = this.getRandomNumber(lottoSet);

console.log(Array.from(rs).sort((a, b) => a - b).join(' , '));