javascript-quiz/index.html at main · Philliphick/javascript-quiz · 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">
    <script src="index.js"></script>
    <link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet">
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Josefin+Sans&display=swap" rel="stylesheet">


    <title>Quiz</title>
</head>
<body class="bg-gradient-to-tr from-red-300 to-yellow-500 h-screen flex items-center justify-center">


    <div class="bg-gray-300 p-5 rounded-2xl">
    <div class="bg-gray-200 p-8 rounded-lg text-center">
        <h1 class="text-6xl font-bold m-4" style="font-family: Bebas Neue, sans-serif;">Around the world in 10 questions</h1>


        <form id="quiz-form">


            <div id="front-page" class="front-page">
                <h2 class="text-3xl p-2" style="font-family: Josefin Sans, sans-serif;">Click <span class="font-bold">START</span> to test your knowledge of the world</h2>
                <button type="button" class="btn mt-6 bg-gray-800 text-white rounded-md py-2 px-3 text-3xl hover:bg-yellow-600" style="font-family: Bebas Neue, sans-serif; letter-spacing: .1rem;" id="start-button">START</button>
            </div>


            <div id="question-container" class="hidden">
                <p class="text-3xl p-4" style="font-family: Josefin Sans;" id="question">Question goes here</p>

            <div id="answer-buttons" class="flex flex-col text-2xl" style="font-family: Josefin Sans;">
                <!-- Answer choices will be dynamically added here -->
            </div>
            <button type="button" class="btn mt-6 bg-gray-800 text-white rounded-md py-2 px-3 shadow-lg text-3xl hover:bg-yellow-600" style="font-family: Bebas Neue, sans-serif; letter-spacing: .1rem;" id="next-button">Next</button>
            </div>


        </form>
    </div>
    </div>
<script>
        let questions = [

    {
        question: "In which country would you find the ancient city of Petra?",
        answers: [
            { text: "Greece", correct: false },
            { text: "Jordan", correct: true },
            { text: "Egypt", correct: false },
            { text: "Turkey", correct: false }
        ]
    },
    {
        question: "Which mountain range separates Europe from Asia?",
        answers: [
            { text: "The Alps", correct: false },
            { text: "The Himalayas", correct: false },
            { text: "The Ural Mountains", correct: true },
            { text: "The Rocky Mountains", correct: false }
        ]
    },
    {
        question: "What is the largest island in the Caribbean?",
        answers: [
            { text: "Jamaica", correct: false },
            { text: "Puerto Rico", correct: false },
            { text: "Cuba", correct: true },
            { text: "Dominican Republic", correct: false }
        ]
    },
    {
        question: "What is the capital city of Iceland?",
        answers: [
            { text: "Reykjavik", correct: true },
            { text: "Oslo", correct: false },
            { text: "Helsinki", correct: false },
            { text: "Copenhagen", correct: false }
        ]
    },
    {
        question: "Which African country is known as the 'Pearl of Africa'?",
        answers: [
            { text: "Kenya", correct: false },
            { text: "Tanzania", correct: false },
            { text: "Uganda", correct: true },
            { text: "Ethiopia", correct: false }
        ]
    },
    {
        question: "What is the currency of Japan?",
        answers: [
            { text: "Won", correct: false },
            { text: "Yuan", correct: false },
            { text: "Yen", correct: true },
            { text: "Ringgit", correct: false }
        ]
    },
    {
        question: "In which European city would you find the historic Acropolis?",
        answers: [
            { text: "Rome", correct: false },
            { text: "Athens", correct: true },
            { text: "Paris", correct: false },
            { text: "Barcelona", correct: false }
        ]
    },
    {
        question: "Which U.S. state is known as the 'Sunshine State'?",
        answers: [
            { text: "California", correct: false },
            { text: "Florida", correct: true },
            { text: "Texas", correct: false },
            { text: "Arizona", correct: false }
        ]
    },
    {
        question: "What is the official language of Brazil?",
        answers: [
            { text: "Spanish", correct: false },
            { text: "Portuguese", correct: true },
            { text: "French", correct: false },
            { text: "Italian", correct: false }
        ]
    },
    {
        question: "Which river is the longest in the world?",
        answers: [
            { text: "Nile River", correct: true },
            { text: "Amazon River", correct: false },
            { text: "Yangtze River", correct: false },
            { text: "Mississippi River", correct: false }
        ]
    },
];

        const questionElement = document.getElementById("question");
        const answerButtonContainer = document.getElementById("answer-buttons");
        const nextButton = document.getElementById("next-button");
        const quizForm = document.getElementById("quiz-form");
        const frontPage = document.getElementById("front-page");
        const questionContainer = document.getElementById("question-container");

        let currentQuestionIndex = 0;
        let score = 0;
        let onFrontPage = true;


        function startQuiz() {

            if (onFrontPage) {
        frontPage.classList.remove("hidden");
        questionContainer.classList.add("hidden");
        } else {
        frontPage.classList.add("hidden");
        questionContainer.classList.remove("hidden");
         }


            currentQuestionIndex = 0;
            score = 0;
            nextButton.innerText = "Next";

            showQuestion();
        }


        function showQuestion() {
            resetState();

            let currentQuestion = questions[currentQuestionIndex];
            let questionNo = currentQuestionIndex + 1;
            questionElement.innerText = questionNo + ". " + currentQuestion.question;

            currentQuestion.answers.forEach((answer, index) => {
                const radioLabel = document.createElement("label");
                radioLabel.classList.add("flex", "flex-center", "my-2", "mx-32", "border", "border-gray-500", "rounded", "p-2",
                "hover:bg-yellow-600", "active:bg-yellow");

                const radioInput = document.createElement("input");
                radioInput.type = "radio";
                radioInput.name = "answer";
                radioInput.value = index;
                radioInput.label = ""
                radioInput.classList.add("mr-2");


                const radioText = document.createElement("span");
                radioText.innerText = answer.text;

                radioLabel.appendChild(radioInput);
                radioLabel.appendChild(radioText);
                answerButtonContainer.appendChild(radioLabel);
            });
        }
//
        function resetState() {
            while (answerButtonContainer.firstChild) {
                answerButtonContainer.removeChild(answerButtonContainer.firstChild);
            }

        }

        function selectAnswer() {
            // return the first input element with name="answer" that is checked and assign it to selectedRadio
            const selectedRadio = document.querySelector('input[name="answer"]:checked');
            if (selectedRadio) {
                const selectedAnswerIndex = parseInt(selectedRadio.value);
                const isCorrect = questions[currentQuestionIndex].answers[selectedAnswerIndex].correct;

                if (isCorrect) {
                    score++;
                }
            }
        }

        function showScore() {
            resetState();
            questionElement.innerText = `You Scored ${score} out of ${questions.length}!`;
            nextButton.innerText = "Play Again";
        }

        function handleNextButton() {
            selectAnswer();
            currentQuestionIndex++;
            if (currentQuestionIndex < questions.length) {
                showQuestion();
            } else {
                showScore();
            }
        }

        nextButton.addEventListener("click", () => {
            if (currentQuestionIndex < questions.length) {
                handleNextButton();
            } else {
                startQuiz();
            }
        });

        quizForm.addEventListener("submit", function (e) {
            e.preventDefault();
            handleNextButton();
        });

        document.getElementById("start-button").addEventListener("click", () => {
        onFrontPage = false;
        startQuiz();
    });
    </script>


</body>
</html>