module.exports = {
  arraysDiffer: function (arrayA, arrayB) {
    var isDifferent = false;
    if (arrayA.length !== arrayB.length) {
      isDifferent = true;
    } else {
      arrayA.forEach(function (item, index) {
        if (item !== arrayB[index]) {
          isDifferent = true;
        }
      });
    }
    return isDifferent;
  }
};