Convert any number to any base

numToBase.js

const numToBase = (number, base) => {
  let newNum = 0;
  let p10 = 1;
  
  while(number) {
    newNum = newNum + (number % base) * p10;
    p10 *= 10;
    number = Math.floor(number / base);
  }
  return newNum;
};