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quiz.html
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quiz.html
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<!DOCTYPE html>
<html>
<head>
<link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700%7CRoboto:400,700" rel="stylesheet">
<link href='style.css' rel='stylesheet' type='text/css'>
<title>LeftValues Quiz</title>
<link rel="icon" type="image/png" href="icon.png">
<link rel="shortcut icon" type="image/png" href="icon.png">
<meta charset="utf-8">
</head>
<body>
<script type="application/javascript" src="questions.js">
</script>
<h1>LeftValues</h1>
<select id="langPicker"></select>
<hr>
<h2 data-i18n="quiz_loading" style="text-align:center;" id="question-number">Loading...</h2>
<p class="question" id="question-text"></p>
<button data-i18n="quiz_strongly_agree" class="button" onclick="nextQuestion( 1.0)"
style="background-color: #1b5e20;">Strongly Agree</button> <br>
<button data-i18n="quiz_agree" class="button" onclick="nextQuestion( 0.5)"
style="background-color: #4caf50;">Agree</button> <br>
<button data-i18n="quiz_neutral" class="button" onclick="nextQuestion( 0.0)"
style="background-color: #bbbbbb;">Neutral/Unsure</button> <br>
<button data-i18n="quiz_disagree" class="button" onclick="nextQuestion(-0.5)"
style="background-color: #f44336;">Disagree</button> <br>
<button data-i18n="quiz_strongly_disagree" class="button" onclick="nextQuestion(-1.0)"
style="background-color: #b71c1c;">Strongly Disagree</button> <br>
<button data-i18n="quiz_back" class="small_button" onclick="prevQuestion()" id="back_button">Back</button>
<button data-i18n="quiz_back" class="small_button_off" id="back_button_off">Back</button>
<br>
<!-- Privacy respecting Statcounter code for LeftValues http://leftvalues.github.io -->
<script type="text/javascript">
var sc_project = 12079783;
var sc_invisible = 1;
var sc_security = "f3285a9d";
var sc_https = 1;
if (navigator.doNotTrack != 1) {
var statcounterscript = document.createElement('script');
statcounterscript.setAttribute("type", "text/javascript");
statcounterscript.setAttribute("src", "https://www.statcounter.com/counter/counter.js");
document.getElementsByTagName("body")[0].appendChild(statcounterscript);
}
</script>
<!-- End of Statcounter Code -->
<!-- JavaScript for the test itself -->
<script type="application/javascript" src="i18n.js"></script>
<script>
/* global i18n, loadTranslation, questions */
let maxA, maxB, maxC, maxD, maxE, maxF, maxG // Max possible scores
maxA = maxB = maxC = maxD = maxE = maxF = maxG = 0
let a, b, c, d, e, f, g // User's scores
a = b = c = d = e = f = g = 0
let qn = [] // Array of question numbers
let qi = 0 // Question index
populateQn()
let prevAnswer = null
function initQuestion () {
document.getElementById('question-text').innerHTML = i18n.getString(`question_${qn[qi]}`)
document.getElementById('question-number').innerHTML = i18n.getString('quiz_question_of', {
count: qi + 1,
total: Object.size(questions)
})
if (prevAnswer == null) {
document.getElementById('back_button').style.display = 'none'
document.getElementById('back_button_off').style.display = 'block'
} else {
document.getElementById('back_button').style.display = 'block'
document.getElementById('back_button_off').style.display = 'none'
}
}
function nextQuestion (mult) { // eslint-disable-line no-unused-vars
a += mult * questions[`question_${qn[qi]}`].a
b += mult * questions[`question_${qn[qi]}`].b
c += mult * questions[`question_${qn[qi]}`].c
d += mult * questions[`question_${qn[qi]}`].d
e += mult * questions[`question_${qn[qi]}`].e
f += mult * questions[`question_${qn[qi]}`].f
g += mult * questions[`question_${qn[qi]}`].g
qi++
prevAnswer = mult
if (qn[qi] < Object.size(questions)) {
initQuestion()
} else {
results()
}
}
function prevQuestion () { // eslint-disable-line no-unused-vars
if (prevAnswer == null) {
return
}
qi--
a -= prevAnswer * questions[`question_${qn[qi]}`].a
b -= prevAnswer * questions[`question_${qn[qi]}`].b
c -= prevAnswer * questions[`question_${qn[qi]}`].c
d -= prevAnswer * questions[`question_${qn[qi]}`].d
e -= prevAnswer * questions[`question_${qn[qi]}`].e
f -= prevAnswer * questions[`question_${qn[qi]}`].f
g -= prevAnswer * questions[`question_${qn[qi]}`].g
prevAnswer = null
initQuestion()
}
function calcScore (score, max) {
return (100 * (max + score) / (2 * max)).toFixed(1)
}
function populateQn() {
// Fill with incrementing numbers representing question numbers.
for (let questionCount = 0; questionCount < Object.size(questions); questionCount++) {
qn.push(questionCount)
}
// Shuffle qn
for (let currentIndex = Object.size(questions) - 1; currentIndex > 0; currentIndex--) {
randomIndex = Math.floor(Math.random() * currentIndex)
// Swap question order
let temp = qn[currentIndex]
qn[currentIndex] = qn[randomIndex]
qn[randomIndex] = temp
}
}
function results () {
window.location.href = 'results.html' +
`?a=${calcScore(a, maxA)}` +
`&b=${calcScore(b, maxB)}` +
`&c=${calcScore(c, maxC)}` +
`&d=${calcScore(d, maxD)}` +
`&e=${calcScore(e, maxE)}` +
`&f=${calcScore(f, maxF)}` +
`&g=${calcScore(g, maxG)}`
}
loadTranslation().then(() => {
initQuestion()
for (let i = 0; i < Object.size(questions); i++) {
maxA += Math.abs(questions[`question_${i}`].a)
maxB += Math.abs(questions[`question_${i}`].b)
maxC += Math.abs(questions[`question_${i}`].c)
maxD += Math.abs(questions[`question_${i}`].d)
maxE += Math.abs(questions[`question_${i}`].e)
maxF += Math.abs(questions[`question_${i}`].f)
maxG += Math.abs(questions[`question_${i}`].g)
}
})
</script>
</body>
</html>