const randomIntNumbers = n => {
  let transaktionen = [];
  for (let i = 0; i < n; i++) {
    const rndNum = Math.random() * 1000;
    rndNum > Math.random() * 1000
      ? transaktionen.push(Math.trunc(rndNum))
      : transaktionen.push(-Math.trunc(rndNum));
  }
  return transaktionen;
};
const arrOfTrans = randomIntNumbers(10);

console.log(`Alle Transaktionen: ${arrOfTrans}`);
const saldo = arrOfTrans.reduce(function (accu, cur, index) {
  const transaktion = cur > 0 ? "deposit" : "witdrawal";

  console.log(
    `Konto Status: ${accu}, Transaktion ${index}: ${cur} (${transaktion})`
  );
  return accu + cur;
});
console.log(`Saldo: ${saldo} EUR`);