Pollution-Project/quiz.html at master · nyang3006/Pollution-Project · GitHub

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<html>
<style>
    #body1{
      background-color:gray;


    }
    .jumbotron{
        text-align: center;
        background-color:black;
        color:gray;
    }
    #radio{
        height: 150px;
        width: 500px;
        max-width:500px;
        margin: auto;
    }


</style>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/mustache.js/2.3.0/mustache.min.js"></script>

<script type = "text/Template" id = "Template">
    <div id ="radio">
         <p>Question {{qNum}}: {{info.Question}}</p>
        <form id = "radioAnswers">
            <div><input type="radio" name="choices" value="A" style="width:18px; height:18px;">A) {{info.A}}</div>
            <div><input type="radio" name="choices" value="B" style="width:18px; height:18px;">B) {{info.B}}</div>
            <div><input type="radio" name="choices" value="C" style="width:18px; height:18px;">C) {{info.C}}</div>
            <div><input type="radio" name="choices" value="D" style="width:18px; height:18px;">D) {{info.D}}</div>
        </form>
    </div>
</script>

<script>
    var data;
        function getData(){
            $.getJSON("https://project1-98c41.firebaseio.com/.json", function(result){
                data = result;
                displayQuestions();
            });
        }
        function displayQuestions(){
            var build ="";
            var template = document.getElementById("Template").innerHTML;
            var qNumber = 0; // Question number

            for(var key in data){
                qNumber++;
                quesJSON ={
                    "info": data[key],
                    "qNum": qNumber
                }
                build += Mustache.render(template, quesJSON);
            }
            document.getElementById("quiz").innerHTML = build;
        }

        // CHECK ANSWERS AND CALCULATE SCORE
        function checkAnswers(){
            var score = 0;
            var count = 0;
            for(var key in data){
                for(var i = 0; i< 4; i++){
                    if(document.getElementById("radioAnswers").elements.choices[i].checked === true){
                        var userAnswer = document.getElementById("radioAnswers").elements.choices[i].value;
                        if(userAnswer == data[key].Answer){
                            score++
                    }
                }
            }
                count++

                var grd = (score/count * 100).toFixed(0);
            }


             document.getElementById("score").innerHTML = "<h1>You answered " + score + " out of " + count+" questions correctly!<br><br>That's a grade of<b> "+ grd + "%</b></h1>";
        }

    </script>

<body id = "body1" onload = "getData()">
    <!--Jumbotron Header-->
    <div class="container">
        <div class="jumbotron">
            <h1>Quiz</h1>
            <p></p>
        </div>
    </div>

    <!--NavTab-->
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container-fluid">
            <div class="navbar-header">
            <a class="navbar-brand" href="#">GoGreen♲</a>
            </div>
                <ul class="nav navbar-nav">
                <li><a href="index.html">Home</a></li>
                <li><a href="water.html">Water Pollution</a></li>
                <li><a href="forest.html">Deforestation</a></li>
                <li><a href="air.html">Air Pollution</a></li>
                <li class="active"><a href="quiz.html">Quiz</a></li>
            </ul>
        </div>
    </nav>

        <div id="quiz"></div>
            <button onclick="checkAnswers()" type="button" class="btn btn-success btn-lg">SCORE QUIZ</button>
        <div id="score"></div>

</body>
</html>