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quiz.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
font-family: 'Times New Roman', Times, serif;
box-sizing: border-box;
}
body{
background: #001e4d;
}
.container{
width: 90%;
max-width: 600px;
margin: 100px auto 0;
border-radius: 10px;
background: #fff;
padding: 30px;
}
.quiz{
padding: 15px 15px 15px 0;
}
.container h1{
border-bottom: black 2px solid;
padding-bottom: 11px;
font-size: 24px;
font-weight: 600px;
}
#answer-button{
width: 100%;
margin: 15px 15px 15px 0;
}
.btn{
display: block;
width: 100%;
outline: none;
border: 1px black solid;
border-radius: 6px;
padding: 11px 14px;
font-size: 17px;
margin: 4px 4px 4px 0;
text-align: left;
background-color: #fff;
font-weight: 600px;
cursor: pointer;
transition: all 0.3s;
}
.btn:hover:not([disabled]){
box-shadow: 0 10px 20px 0px rgba(0,0,0,0.15);;
background-color: black;
color: #fff;
}
.btn:disabled{
cursor: no-drop;
}
#nxt-btn{
margin-right: auto;
margin-left: auto;
display: none;
padding: 10px 45px;
font-size: 15px;
outline: none;
border: none;
border-radius: 5px;
background-color: black;
color: #fff;
cursor: pointer;
}
.correct{
background-color: #9aeabc;
}
.incorrect{
background-color: red;
}
</style>
</head>
<body>
<div class="container">
<h1>Simple quiz</h1>
<div class="quiz">
<h2 id="qstn">question here here</h2>
<div id="answer-button">
</div>
<button id="nxt-btn">Next</button>
</div>
</div>
<script>
const questions = [
{
question: "Which is largest animal in the world?",
answers: [
{text: "Shark", correct: false},
{text: "Blue whale", correct: true},
{text: "Elephant", correct: false},
{text: "Giraffe", correct: false}
]
},
{
question: "Which is the smallest country in the world?",
answers: [
{text: "Vatican city", correct: true},
{text: "Bhutan", correct: false},
{text: "Nepal", correct: false},
{text: "Shri Lanka", correct: false}
]
},
{
question: "Which is the smallest continent in the world?",
answers: [
{text: "Asia", correct: false},
{text: "Arctica", correct: true},
{text: "Australia", correct: false},
{text: "Africa", correct: false}
]
},{
question: "Which is the largest desert in the world?",
answers: [
{text: "Kalahari", correct: false},
{text: "Gobi", correct: false},
{text: "Sahara", correct: false},
{text: "Antarctica", correct: true}
]
},
];
console.log(questions[0].answers.text);
const qstn = document.getElementById("qstn");
const answerBtn = document.getElementById("answer-button");
const nxtBtn = document.getElementById("nxt-btn");
let currentQstnIndex = 0;
let score = 0;
function startQuiz(){
currentQstnIndex = 0;
score = 0;
showQstn();
}
function showQstn(){
let currentQstn = questions[currentQstnIndex];
let qstnnum = currentQstnIndex + 1;
qstn.innerHTML = qstnnum + "." + currentQstn.question;
answerBtn.innerHTML = "";
currentQstn.answers.forEach(ans => {
const button = document.createElement("button");
button.classList.add("btn");
button.innerHTML = ans.text;
console.log(button);
answerBtn.appendChild(button);
if(ans.correct){
button.dataset.correct = ans.correct;
}
button.addEventListener("click",selectAns);
});
}
function resetState(){
nxtBtn.style.display = "none";
while(answerBtn.firstChild){
answerBtn.removeChild(answerBtn.firstChild);
}
}
function selectAns(e){
const selectedbtn = e.target;
const isCorrect = selectedbtn.dataset.correct === "true";
if(isCorrect){
selectedbtn.classList.add("correct");
score++;
}else{
selectedbtn.classList.add("incorrect");
}
Array.from(answerBtn.children).forEach(btn => {
if(btn.dataset.correct === "true"){
btn.classList.add("correct");
}
btn.disabled = true;
});
nxtBtn.style.display = "block";
}
startQuiz();
function handleNextBtn(){
currentQstnIndex++;
if(currentQstnIndex < questions.length){
showQstn();
}else{
showScore();
}
}
nxtBtn.addEventListener("click",() => {
if(currentQstnIndex < questions.length){
handleNextBtn();
}else{
startQuiz();
}
});
function showScore(){
resetState()
qstn.innerHTML = `You scored ${score} out of ${questions.length}`;
nxtBtn.innerHTML = "Play Again";
nxtBtn.style.display = "block";
}
</script>
</body>
</html>