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scripttwo.js
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scripttwo.js
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let questions = [
{
question: "What does CSS stand for?",
answers: {
a: 'Colorful Style Sheet',
b: 'Cascading Style Sheets',
c: 'Creative Style Sheets',
d: 'Creative Style Sheets'
},
correctAnswer: 'b'
},
{
question: "What is 10/2?",
answers: {
a: '3',
b: '5'
},
correctAnswer: 'b'
},
{
question: "What is 10x5",
answers: {
a: '3',
b: '5',
c: '50'
},
correctAnswer: 'c'
}
];
let userAns = [];
$(document).ready(function () {
var currentIndex = getCurrenIndex() ? getCurrenIndex():0;
prepareTemplate(currentIndex);
});
function getCurrenIndex(params = 'currentQueIndex') {
return parseInt(window.localStorage.getItem(params));
};
function getTime(val) {
let valString = val + "";
if (valString.length < 2) {
return "0" + valString;
} else {
return valString;
}
}
function startTimer(sec) {
this.timer = setTimeout(() => {
document.getElementById('time').innerHTML = `<span>${getTime(parseInt(sec / 60))}</span>:<span>${getTime(sec % 60)}</span>`;
if (sec > 0) {
window.localStorage.setItem('currentTime', sec);
startTimer(sec - 1);
} else {
window.localStorage.removeItem('currentTime');
let currentIndex = getCurrenIndex() + 1;
prepareTemplate(currentIndex);
}
}, 1000);
}
function prepareTemplate(index) {
if (questions.length > index) {
clearTimeout(this.timer);
window.localStorage.setItem('currentQueIndex', index);
const currentQuestion = questions[index];
document.getElementById('questionTitle').innerHTML = currentQuestion.question;
const answer = currentQuestion.answers;
const answersKeys = Object.keys(currentQuestion.answers);
let template = '';
answersKeys.forEach((ans, i) => {
template += `<li class="list-group-item">
<div class="custom-control custom-radio">
<input type="radio" id="answer${i + 1}" name="answer" value="${ans}" class="custom-control-input">
<label class="custom-control-label" for="answer${i + 1}">${answer[ans]}</label>
</div>
</li>`;
});
template += `<li class="list-group-item"><button type="button" class="btn btn-primary" onclick="displayRadioValue(${index + 1})">Submit</button></li>`;
document.getElementById('quizwizard').innerHTML = template;
let currentTime = getCurrenIndex('currentTime') ? getCurrenIndex('currentTime') : 120;
startTimer(currentTime);
}else{
window.localStorage.removeItem('currentQueIndex');
resetForm();
}
}
function displayRadioValue(nextIndex) {
window.localStorage.removeItem('currentTime');
let selectedQuestion = questions[nextIndex - 1];
var options = document.getElementsByName('answer');
let selectedAns = false;
let isChecked = false;
for (i = 0; i < options.length; i++) {
if (options[i].checked) {
isChecked = true;
selectedAns = options[i];
}
}
if (!isChecked) {
$("#myModal").modal('show');
return;
}
selectedQuestion.isCorrect = selectedQuestion.correctAnswer === selectedAns.value ? true : false;
selectedQuestion.userOption = selectedAns.value;
userAns.push(selectedQuestion);
console.log("userAns",userAns.length);
console.log("userAns",userAns);
if (nextIndex >= questions.length) {
resetForm();
} else {
prepareTemplate(nextIndex);
}
}
function resetForm(){
clearTimeout(this.timer);
document.getElementById('time').innerHTML = "";
document.getElementById('questionTitle').innerHTML = "";
window.localStorage.removeItem('currentQueIndex');
console.log("User Answers :", userAns);
let successTemplate = `<li class="list-group-item"><button type="button" class="btn btn-info" onclick="displayResult()">Show Quiz Result</button></li>`;
document.getElementById('quizwizard').innerHTML = successTemplate;
}
function displayResult() {
let attemptQue = userAns.length;
let correctAnswer = userAns.filter((item)=>item.isCorrect).length;
let totalQue = questions.length;
console.log("attemptQue",attemptQue);
console.log("correctAnswer",correctAnswer);
console.log("totalQue",totalQue);
document.getElementById('totalQue').innerHTML = totalQue;
document.getElementById('attemptQue').innerHTML = attemptQue;
document.getElementById('correctAns').innerHTML = correctAnswer;
$("#showResult").modal('show');
};