guess_loop.html

<script>
	var name, age, truth, playAgain, yesOrNo, randomNumber, guessingGame, game;

	//takes yes/no input, sanitizes user input, returns yes or no
	yesOrNo = function (input) 
	{
		var output = input.toLowerCase();
		while (output !== "yes" && output !== "no") //keeps re-asking you if you don't say Y or N
		{
			var output = (prompt("No, silly. Type 'yes' or 'no'")).toLowerCase();
		}
		return output;
	}

	//generates a random integer between a user-generated minimum and maximum
	randomNumber = function (min, max)
	{
		return Math.floor(Math.random() * max) + min; //min is added because Math.floor rounds down and 
	}

	//main game 
	guessingGame = function(minimum, maximum)
	{
		var actual = randomNumber(minimum, maximum);
		var guess = prompt("I'm thinking of a number between " + minimum + " and " + maximum + ". Guess it! (You get 3 guesses!)");

		for (i=1; i<4; i++)
		{
			if (guess != actual) //keeps re-asking you if you guess wrong
			{
				guess = prompt("Not quite. You were off by " + (Math.abs(actual-guess)) + ". Guess again.");
			}
			else if (guess == actual)
			{
				i=4;
			}
		}
		if (guess == actual)
		{	
			alert("Well done! You got it!");
		}
		else
		{
			alert("Sorry, you ran out of guesses!");
		}
	}

	name = prompt("Well hello there! What's your name?");
	age = prompt("Hi, " + name + "! Pleased to meet you. How old are you?");
	truth = prompt("Really? " + age + "? Is that your real age?");

	truth = yesOrNo(truth);

	if (truth == "yes")
	{
		alert("Ok, I believe you. Click OK or hit Enter to get started.");
	}
	else
	{
		alert("Well, that was a weird thing to lie about... Alright, let's get started.");
	}

	game = guessingGame(1,10);

	playAgain = yesOrNo(prompt("Would you like to play again?"));

	while (playAgain=="yes")
	{
		game = guessingGame(1,10);
		playAgain = prompt("Would you like to play again? (Yes or No)");
		playAgain = (yesOrNo(playAgain));
	}

	alert("Thanks for playing! As a reward, here's a rad website!");
	window.open("http://www.jakehawken.com");
</script>