evenDigitsOnly scrimba coding challange

evenDigitsOnly.js

//function checkIfEven checks if given number consists of only even digits

const checkIfEvenDigit = function (number) {
  if (number % 2 === 0) {
    return true;
  } else {
    return false;
  }
};

function checkIfEvenNumber(number) {
  const numberString = [...number.toString(10)];
  for (let i = 0; i < numberString.length; i++) {
    if (!checkIfEvenDigit(numberString[i])) {
      return false;
    }
  }

  return true;
}
console.log(checkIfEvenDigit(3));
console.log(checkIfEvenNumber(442));