Odd or Even Problem

function solution(number) {

    let oddDigits = getOddDigits(number);
    let evenDigits = getEvenDigits(number);

    let oddSum = getSum(oddDigits);
    let evenSum = getSum(evenDigits);

    console.log(`Odd sum = ${oddSum}, Even sum = ${evenSum}`);

    function getOddDigits(n) {

        let oddDigits = [];

        while (n > 0) {
            let lastDigit = n % 10;

            if (lastDigit % 2 !== 0) {
                oddDigits.push(lastDigit);
            }

            n = parseInt((n / 10));
        }

        return oddDigits;
    }

    function getEvenDigits(n) {
        let evenDigits = [];

        while (n > 0) {
            let lastDigit = n % 10;

            if (lastDigit % 2 === 0) {
                evenDigits.push(lastDigit);
            }

            n = Math.trunc((n / 10));
        }

        return evenDigits;
    }

    function getSum(arr) {
        let sum = 0;

        for (let number of arr) {
            sum += number;
        }

        return sum;
    }
}