1    let maximum = 10;
2    let computer = Math.floor(Math.random() * maximum) + 1;
3    
4    let stillPlaying = true;
5    while (stillPlaying)
6    {
7      let guess = prompt("Guess a number from 1 to " + maximum + ".");
8      guess = parseInt(guess);
9    
10     if (guess < 1 || guess > maximum)
11     {
12       alert("That’s out of range.");
13     }
14     else if (guess === computer)
15     {
16       alert("You guessed it!");
17       stillPlaying = false;
18     }
19     else if (guess > computer)
20     {
21       alert("Your guess is too high.");
22     }
23     else if (guess < computer)
24     {
25       alert("Your guess is too low.");
26     }
27   }
28