random_guess.js

var x = Math.floor(Math.random() * 9) + 1;
var turns = 0;
var hint = 'Guess my number, 1-10!';

while (turns < 10) {
  var guess = prompt(hint);
  if (!guess) break;
  guess = Number(guess);
  if (guess == x) {
    alert("Congratulations, you are a mind reader!");
    break;
  }
  if (turns == 10) {
    alert("You had 10 tries. GAMEOVER!")
    break;
  }
  if (guess < x) hint = 'Your guess is lower. Guess a higher number.';
  if (guess > x) hint = 'Your guess is lower. Guess a higher number.';
  turns++;
}