module.exports = function arraysEqual(a, b) {
  if (a === b) return true;
  if (a.length !== b.length) return false;

  for (const itemInd in a) {
    const item = a[itemInd];
    const ind = b.indexOf(item);
    if (ind) {
      b.splice(ind, 1);
    }
  }

  return b.length === 0;
};