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    <p>Well, so far I've only been able to pinpoint minor problems in your code. Since you're using strict mode, the window object's properties are not accessible globally. So you'll need to use <code>window.alert</code> or set a variable:</p> <pre><code>var alert = this.alert; // "this" being the global, window object </code></pre> <p>The first thing I noticed is that you didn't have a closing bracket to your <code>math.play</code> function declaration. I fixed that. But what the real problem you were having was that you were referencing properties of <code>mathGame</code> before they were created. For example, in the definition of <code>mathGame.play()</code>, you ran the function <code>mathGame.ui.startCountDown();</code> but <code>mathGame.ui</code> was defined in the function below the call. So I took it out the function so that it could have access to it. That was the general problem with your script.</p> <p>There was also a part where you called an object as if it were a function:</p> <pre><code>correct = (question() === guess); </code></pre> <p><code>question</code> was already defined as the return value of the function <code>mathGame.logic.getQuestion();</code> which was a string. I think you were confusing it with this:</p> <pre><code>question = mathGame.logic.getQuestion; correct = (question() === guess); // now this works </code></pre> <p>I also fixed up some things I found superfluous. If you want the entire script to be in strict mode, then create a closure over it in strict mode:</p> <pre><code>(function() { "using strict"; // everything below is in strict mode })(); </code></pre> <p>Here is the entire code:</p> <pre><code>(function() { "using strict"; var mathGame = {}, alert = this.alert, prompt = this.prompt; mathGame.play = function() { var question, guess, answer, correct, questionGuess; // Starts game for user mathGame.ui.startCountDown(); // Starts the timer in .logic // mathGame.logic.startCountDown(); // Get random math mathGame.logic = (function() { var createQuestion, getQuestion; createQuestion = function() { var tal1, tal2; tal1 = Math.ceil(Math.random() * 10); tal2 = Math.ceil(Math.random() * 10); return { tal1: tal1, tal2: tal2, result: function() { return tal1 + tal2; } }; }; getQuestion = function() { return createQuestion(); }; return { getQuestion: getQuestion }; }()); question = mathGame.logic.getQuestion(); // Send random math to User questionGuess = mathGame.ui.askMathQuestion(question.tal1, question.tal2); // The users guess guess = mathGame.ui.returnMathGuess; // See if the question is the same as the guess correct = (question === guess); // Show the user how it went mathGame.ui.showResult(correct, guess, question); }; mathGame.ui = { startCountDown: function() { // Visa ready set go alert("READY"); alert("SET"); alert("GO"); }, askMathQuestion: function() { prompt("askMathQuestion"); //shows a math question to user // return Number(prompt(value1 + symbol + value2)); // e.g. value1 = 12 // value2 = 13 // symbol = "+" // 12 + 13 // return user guess }, returnMathGuess: function() {}, showResult: function() {} }; mathGame.play(); }).call(this); // global object </code></pre> <p><a href="http://jsfiddle.net/gBW27/" rel="nofollow"><strong>JSFiddle Demo</strong></a></p> <p>Note that in the HTML section of the code, I took out some script files because they were non-existent in website. If you need them again, here they are:</p> <pre><code>&lt;script src="mathGame.js"&gt;&lt;/script&gt; &lt;script src="mathGame.logic.js"&gt;&lt;/script&gt; &lt;script src="mathGame.ui.js"&gt;&lt;/script&gt; &lt;script src="mathGame.play.js"&gt;&lt;/script&gt; </code></pre>
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    1. COwonderful! going to check my code for thease errors, as i said i have my JS divided up into those 4 files, i will have a look and be back when im done reviewing :) thanks for the answer
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    2. COsorry, im so new to this haha :D
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    3. COthis is great, but for some reason i can't split it up into the oroginal 4 files :P do you mind setting it so i can use it in my 4 files :)?
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