Given a integer, convert it to a list where each item is a digit of the number; without converting to String

convert-number-to-list.js

function getLastDigit(n) {
    const n10 = n/10;
    return Math.round((n10 - Math.floor(n10)) * 10);
}

function removeLastDigit(n) {
    return parseInt((n - getLastDigit(n))/10);
}

function splitDigits(n) {
    let digit;
    let digits = [];
    let newN = n;
    
    while (newN !== 0) {
        digit = getLastDigit(newN);
        newN = removeLastDigit(newN);

        digits.unshift(digit);
    }

    return digits;
}