Code Fellows Foundations 1 Number Guessing Game adapted into instantiated object with customizable "guesses allowed" property

dayNumGuessAsObject

<script>
var debugMode = false;

function Game(tries) {

	this.triesAllowed = tries;

	var userGuess = 0;
	var gameWon = false;

	var triesUsed = 0;
	var triesRemaining = this.triesAllowed;
	var today = new Date();
	var daysSoFarThisYear = calculateDaysSoFarThisYear();

	function calculateDaysSoFarThisYear() {
		var year2014Begin = new Date('1/1/2014'); //Set year begin date
		var before2014Msec = year2014Begin.getTime(); //Milliseconds 1/1/1970 to 1/1/2014
		var allMsec = today.getTime(); //Milliseconds from 1/1/1970 to today

		//Subtracting msec between 1/1/1970 and 1/1/2014 from msec between 1/1/1970 and today to get this year's millisecond total.
		//Divide this year's milliseconds by 86400000 to convert to days
		return Math.floor((allMsec - before2014Msec) / 86400000);
	}

	function promptForGuess() {
		userGuess = prompt("Today is " + today.toDateString() +". There are 365 days in 2014. Which day are we on? \n\n Tries Remaining: " + triesRemaining + "\n\n Enter your guess: ");
	}

	function checkGuess() {
		if (userGuess == daysSoFarThisYear) {
			alert("Correct! We are on day " + daysSoFarThisYear + " of 365.");
			document.write("You win! Refresh to play again.");
			gameWon = true;
		} else {
			offByNumber = daysSoFarThisYear - userGuess;
			alert("Incorrect! \n\n HINT: Your guess is off by " + offByNumber);
		}
	}

	function outOfTries() {
		alert("Out of tries! We are on day " + daysSoFarThisYear + " of 2014. \n\nYour answer: " + userGuess);
		document.write("Game Over - Refresh to play again!");
	}

	//Debug cheat puts answer in console for testing purposes
	if (debugMode == true) {
		console.log("DEBUG CHEAT Days so far in 2014: " + daysSoFarThisYear);
	}

	while (triesUsed < this.triesAllowed && gameWon == false) {
		promptForGuess();
		checkGuess();

		triesUsed ++;
		triesRemaining = this.triesAllowed - triesUsed;

		if (triesUsed == this.triesAllowed && gameWon == false) {
			outOfTries();
		}
	}
}


var tries = prompt("Number of tries you'd like: ")
game = new Game (tries);

</script>