is-probably-even/index.js

exports.isProbablyEven = (number) => {
  let evens = 0, odds = 0;

  while(number > 0) {
    let digit = number % 10;

    if(digit % 2 === 0) {
      evens += 1;
    } else {
      odds += 1;
    }

    number = Math.floor(number / 10);
  }

  return evens >= odds;
};