Quiz

<form id="quiz">
                <label>1. What house at Hogwarts did Harry belong to?</label><br>
                <input type="text" id="firstQ"><span id="firstA"></span><br><br>
                <label>2. Which pet did Harry own?</label><br>
                <input type="text" id="secondQ"><span id="secondA"></span><br><br>
                <label>3. What was the name of Harry's pet?</label><br>
                <input type="text" id="thirdQ"><span id="thirdA"></span><br><br>
                <label>4. What is Harry's patronus ?</label><br>
                <input type="text" id="fourthQ"><span id="fourthA"></span><br><br>
                <label>5. Did Harry's pet die?</label><br>
                <input type="radio" id="correct" value="True" name="answer">
                <label>True</label>
                <input type="radio" id="wrong" value="False" name="answer">
                <label>False</label> <span id="fifthA"></span>
                <br><br><input type="button" id="submit" value="Submit" onclick="submitQuiz()">
            </form>
        </div>

        <script>
            var firstQuestion = document.getElementById('firstQ');
            var secondQuestion = document.getElementById('secondQ');
            var thirdQuestion = document.getElementById('thirdQ');
            var fourthQuestion = document.getElementById('fourthQ');
            var trueBox = document.getElementById('correct');
            var wrongBox = document.getElementById('wrong');

            var result = 0;
            var count = 0;

            var fq = firstQuestion.value;
            var sq = secondQuestion.value;
            var tq = thirdQuestion.value;
            var fourq = fourthQuestion.value;

            function submitQuiz(){
                if(fq.toLowerCase() == "gryffindor"){
                    result++;
                    count++;
                }
                else{
                    document.getElementById('firstA').innerHTML = "Correct Answer: Gryffindor";
                    count++;
                }
                if(sq.toLowerCase() == "owl"){
                    result++;
                    count++;
                }
                else{
                    document.getElementById('secondA').innerHTML = "Correct Answer: Owl";
                    count++;
                }
                if(tq.toLowerCase() == "hedwig"){
                    result++;
                    count++;
                }
                else{
                    document.getElementById('thirdA').innerHTML = "Correct Answer: Hedwig";
                    count++;
                }
                if(fourq.toLowerCase() == "stag"){
                    result++;
                    count++;
                }
                else{
                    document.getElementById('fourthA').innerHTML = "Correct Answer: Stag";
                    count++;
                }
                if(trueBox.checked == true){
                    result++;
                    count++;
                }
                else if(wrongBox.checked == true){
                    document.getElementById('fifthA').innerHTML = "Correct Answer: True";
                    count++;
                }
                else{
                    alert("Error! True or False question is not answered.")
                }
                if(count == 5){
                    alert("Your Score is " + (result*20));
                    count = 0;
                }
                else{
                    alert("You have a question not answered");
                }
            }
        </script>