quiz.html

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<title>8values Quiz</title>
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<h1>8values</h1>
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<h2 style="text-align:center;" id="question-number">Loading...</h2>
<p class="question" id="question-text"></p>
<button class="button stronglyAgree" onclick="next_question( 1.0)">Strongly Agree</button> <br>
<button class="button agree" onclick="next_question( 0.5)">Agree</button> <br>
<button class="button neutral" onclick="next_question( 0.0)">Neutral/Unsure</button> <br>
<button class="button disagree" onclick="next_question(-0.5)">Disagree</button> <br>
<button class="button stronglyDisagree" onclick="next_question(-1.0)">Strongly Disagree</button> <br>
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<script>
    var max_econ, max_dipl, max_govt, max_scty; // Max possible scores
    max_econ = max_dipl = max_govt = max_scty = 0;
    let econ_array = new Array(questions.length);
    let dipl_array = new Array(questions.length);
    let govt_array = new Array(questions.length);
    let scty_array = new Array(questions.length);
    var qn = 0; // Question number
    init_question();
    for (var i = 0; i < questions.length; i++) {
        max_econ += Math.abs(questions[i].effect.econ)
        max_dipl += Math.abs(questions[i].effect.dipl)
        max_govt += Math.abs(questions[i].effect.govt)
        max_scty += Math.abs(questions[i].effect.scty)
    }
    function init_question() {
        document.getElementById("question-text").innerHTML = questions[qn].question;
        document.getElementById("question-number").innerHTML = "Question " + (qn + 1) + " of " + (questions.length);
        if (qn == 0) {
            document.getElementById("back_button").style.display = 'none';
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        } else {
            document.getElementById("back_button").style.display = 'block';
            document.getElementById("back_button_off").style.display = 'none';
        }

    }

    function next_question(mult) {
        econ_array[qn] = mult*questions[qn].effect.econ
        dipl_array[qn] = mult*questions[qn].effect.dipl
        govt_array[qn] = mult*questions[qn].effect.govt
        scty_array[qn] = mult*questions[qn].effect.scty
        qn++;
        if (qn < questions.length) {
            init_question();
        } else {
            results();
        }
    }

    function prev_question() {
        if (qn == 0) {
            return;
        }
        qn--;
        init_question();
    }

    function calc_score(score,max) {
        return (100*(max+score)/(2*max)).toFixed(1)
    }

    function results() {
        let final_econ = econ_array.reduce((a, b) => a + b, 0)
        let final_dipl = dipl_array.reduce((a, b) => a + b, 0)
        let final_govt = govt_array.reduce((a, b) => a + b, 0)
        let final_scty = scty_array.reduce((a, b) => a + b, 0)
        location.href = `results.html`
            + `?e=${calc_score(final_econ,max_econ)}`
            + `&d=${calc_score(final_dipl,max_dipl)}`
            + `&g=${calc_score(final_govt,max_govt)}`
            + `&s=${calc_score(final_scty,max_scty)}`
    }
</script>
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