진법 변환기 in JavaScript

//진법 변환기
function binary(target, num) {
  const result = [];
  let targetNum = target;
  let last;

  while (num <= targetNum) {
    last = targetNum % num;
    targetNum = Math.floor(targetNum / num);
    result.unshift(last);
  }
  result.unshift(targetNum);
  
  return result;
}

binary(22, 2);