NumbersGame/numbers.html at master · ichen014/NumbersGame · GitHub

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<!DOCTYPE html>
<html>
	<body>
		<script>

			var intro = "I am thinking of a number between 0 and 9999.\n\nCan you guess the number?";


			//start game
			do_game();

			function do_game()
			{
				count = 0
				var isCorrect = false;
				target_number = Math.floor(Math.random()*10000)

				//show answer
				alert(target_number);

				while (!isCorrect)
				{
					guess = prompt(intro);
					count++;
					if (check_guess())
					{
						isCorrect = true;
					}
				}
			}

			function check_guess()
			{
				if (guess < 0 || guess > 9999 || isNaN(guess))
				{
					alert("Sorry, please enter a number within 0000-9999.\n\nPlease try again.");
					return false;
				}
				else if(!guess)
				{
					alert("Sorry to see you go...\n\nThe answer was: " + target_number);
					return true;
				}
				else if (guess > target_number)
				{
					alert("Nice try, but not quite!\n\nPick a lower number!");
					return false;
				}
				else if (guess < target_number)
				{
					alert("Close, but not yet.\n\nPick a higher number!");
					return false;
				}
				else
				{
					//correct
					var congrats = "Congratulations! You have guessed the number!\n It took you " + count + " guesses to finish the game!\n";
					document.body.style.backgroundColor = "green";
					alert(congrats);
					return true;
				}
			}

		</script>
	</body>
</html>