primes-game-2.html

<script>
  var prime = 2;
  var answer;

  console.log('The prime numbers are:');

  while (true) {

    // Ask user for prime number until user guesses correctly
    do {

      if (prime == 2) {
        answer = prompt('What is the first prime number?');
      } else {
        answer = prompt('What is the next prime number?')
      }

      if (answer == '') break;

    } while (Number(answer) !== prime);

    if (answer == '') break;
 
    console.log(prime);

    // Compute next prime number
    prime++;

  }
</script>