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script.js
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script.js
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const questions = [
{
question: "Which is the 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 largest planet in the solar system?",
answers: [
{ text: "Earth", correct: false },
{ text: "Jupiter", correct: true },
{ text: "Mars", correct: false },
{ text: "Venus", correct: false }
]
},
{
question: "Which continent is the largest in the world?",
answers: [
{ text: "Asia", correct: true },
{ text: "Australia", correct: false },
{ text: "Antarctica", correct: false },
{ text: "Africa", correct: false }
]
},
{
question: "What is the fastest land animal?",
answers: [
{ text: "Lion", correct: false },
{ text: "Cheetah", correct: true },
{ text: "Horse", correct: false },
{ text: "Elephant", correct: false }
]
},
{
question: "Which is the smallest country in the world?",
answers: [
{ text: "Monaco", correct: false },
{ text: "Vatican City", correct: true },
{ text: "Malta", correct: false },
{ text: "Liechtenstein", correct: false }
]
}
];
const questionElement = document.getElementById("question");
const answerButtons = document.getElementById("answer-buttons");
const nextButton = document.getElementById("next-btn");
let currentQuestionIndex = 0;
let score = 0;
function startQuiz() {
currentQuestionIndex = 0;
score = 0;
nextButton.innerHTML = "Next";
showQuestion();
}
function showQuestion() {
resetState();
let currentQuestion = questions[currentQuestionIndex];
let questionNo = currentQuestionIndex + 1;
questionElement.innerHTML = questionNo + ". " + currentQuestion.question;
// Shuffle the answers
let shuffledAnswers = [...currentQuestion.answers];
for (let i = shuffledAnswers.length - 1; i > 0; i--) {
let j = Math.floor(Math.random() * (i + 1));
[shuffledAnswers[i], shuffledAnswers[j]] = [shuffledAnswers[j], shuffledAnswers[i]];
}
shuffledAnswers.forEach(answer => {
const button = document.createElement("button");
button.innerHTML = answer.text;
button.classList.add("btn");
answerButtons.appendChild(button);
if (answer.correct) {
button.dataset.correct = answer.correct;
}
button.addEventListener("click", selectAnswer);
});
}
function resetState() {
nextButton.style.display = "none";
while (answerButtons.firstChild) {
answerButtons.removeChild(answerButtons.firstChild);
}
}
function selectAnswer(e) {
const selectedBtn = e.target;
const isCorrect = selectedBtn.dataset.correct === "true";
selectedBtn.classList.add("selected");
if (isCorrect) {
selectedBtn.classList.add("correct");
score++; // Increment score if correct
} else {
selectedBtn.classList.add("wrong");
}
// Highlight the correct answer
const correctAnswer = selectedBtn.parentNode.querySelector('[data-correct="true"]');
correctAnswer.classList.add("correct");
// Disable hover effect and interaction after selection
Array.from(answerButtons.children).forEach(button => {
button.disabled = true; // Disable all buttons
button.classList.add("disabled"); // Disable hover effect
button.classList.remove("hover"); // Remove hover class
});
nextButton.style.display = "block"; // Show the Next button
}
function showScore() {
resetState();
questionElement.innerHTML = `You scored ${score} out of ${questions.length}`;
nextButton.innerHTML = "Play Again";
nextButton.style.display = "block";
}
function handleNextButton() {
currentQuestionIndex++;
if (currentQuestionIndex < questions.length) {
showQuestion();
} else {
showScore();
}
}
nextButton.addEventListener("click", () => {
if (currentQuestionIndex < questions.length) {
handleNextButton();
} else {
startQuiz();
}
});
startQuiz();