Insights-Club-Task/JavaScript-based quiz application.html at main · theritwik/Insights-Club-Task · GitHub

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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>Quiz Application</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            text-align: center;
        }
        header {
            background-color: #333;
            color: white;
            padding: 1rem;
        }
        header h1 {
            margin: 0;
        }
        .container {
            margin: 20px auto;
            max-width: 600px;
            padding: 20px;
            border: 1px solid #ccc;
            border-radius: 8px;
            text-align: center;
        }
        .question {
            font-size: 1.2rem;
            margin-bottom: 20px;
        }
        .options button {
            display: block;
            width: 100%;
            margin: 10px 0;
            padding: 10px;
            font-size: 1rem;
            background-color: #333;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        .options button:hover {
            background-color: #555;
        }
        .timer {
            font-size: 1rem;
            margin-bottom: 20px;
            color: red;
        }
        .score {
            font-size: 1.2rem;
            margin: 20px 0;
        }
        .restart {
            padding: 10px 20px;
            font-size: 1rem;
            background-color: #333;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        .restart:hover {
            background-color: #555;
        }
    </style>
</head>
<body>
    <header>
        <h1>Quiz Application</h1>
    </header>
    <div class="container" id="quiz-container">
        <div class="question" id="question">Loading...</div>
        <div class="timer" id="timer">Time left: 10s</div>
        <div class="options" id="options"></div>
        <div class="score" id="score"></div>
        <button class="restart" id="restart" style="display:none;">Restart Quiz</button>
    </div>

    <script>
        const questions = [
            {
                question: "What is the capital of France?",
                options: ["Berlin", "Madrid", "Paris", "Rome"],
                correct: 2
            },
            {
                question: "Which planet is known as the Red Planet?",
                options: ["Earth", "Mars", "Jupiter", "Saturn"],
                correct: 1
            },
            {
                question: "Who wrote 'Hamlet'?",
                options: ["Charles Dickens", "William Shakespeare", "Mark Twain", "Jane Austen"],
                correct: 1
            },
            {
                question: "What is the largest ocean on Earth?",
                options: ["Atlantic Ocean", "Indian Ocean", "Pacific Ocean", "Arctic Ocean"],
                correct: 2
            },
            {
                question: "What is the square root of 64?",
                options: ["6", "7", "8", "9"],
                correct: 2
            }
        ];

        let currentQuestionIndex = 0;
        let score = 0;
        let timer;
        const timerDuration = 10;
        let timeLeft = timerDuration;

        const quizContainer = document.getElementById('quiz-container');
        const questionElement = document.getElementById('question');
        const optionsElement = document.getElementById('options');
        const timerElement = document.getElementById('timer');
        const scoreElement = document.getElementById('score');
        const restartButton = document.getElementById('restart');

        function loadQuestion() {
            if (currentQuestionIndex < questions.length) {
                const currentQuestion = questions[currentQuestionIndex];
                questionElement.textContent = currentQuestion.question;
                optionsElement.innerHTML = '';

                currentQuestion.options.forEach((option, index) => {
                    const button = document.createElement('button');
                    button.textContent = option;
                    button.addEventListener('click', () => selectAnswer(index));
                    optionsElement.appendChild(button);
                });

                resetTimer();
            } else {
                endQuiz();
            }
        }

        function selectAnswer(selectedIndex) {
            clearInterval(timer);
            const currentQuestion = questions[currentQuestionIndex];
            if (selectedIndex === currentQuestion.correct) {
                score++;
            }
            currentQuestionIndex++;
            loadQuestion();
        }

        function resetTimer() {
            clearInterval(timer);
            timeLeft = timerDuration;
            timerElement.textContent = `Time left: ${timeLeft}s`;
            timer = setInterval(() => {
                timeLeft--;
                timerElement.textContent = `Time left: ${timeLeft}s`;
                if (timeLeft <= 0) {
                    clearInterval(timer);
                    currentQuestionIndex++;
                    loadQuestion();
                }
            }, 1000);
        }

        function endQuiz() {
            questionElement.textContent = 'Quiz Over!';
            optionsElement.innerHTML = '';
            timerElement.textContent = '';
            scoreElement.textContent = `Your final score is: ${score}/${questions.length}`;
            restartButton.style.display = 'inline-block';
            localStorage.setItem('quizScore', score);
        }

        restartButton.addEventListener('click', () => {
            currentQuestionIndex = 0;
            score = 0;
            scoreElement.textContent = '';
            restartButton.style.display = 'none';
            loadQuestion();
        });

        loadQuestion();
    </script>
</body>
</html>