jsfun/binaryquiz.html at main · jamesabela/jsfun · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Conversion Quiz</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
        }
        .question {
            margin-top: 20px;
        }
        .choices {
            margin-top: 10px;
        }
        .result, .high-score, .timer, .correct-count {
            margin-top: 20px;
            font-weight: bold;
        }
        .share-button {
            margin-top: 10px;
            padding: 10px 20px;
            font-size: 16px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .share-button:hover {
            background-color: #45a049;
        }
    </style>
</head>
<body>

<h2>Conversion Quiz</h2>

<div id="levelContainer">
    <label for="level">Select Level:</label>
    <select id="level">
        <option value="easy">Easy (0-15)</option>
        <option value="medium">Medium (0-255)</option>
        <option value="hard">Hard (Two's Complement)</option>
        <option value="extreme">Extreme (Mixed Conversions)</option>
    </select>
    <br>
    <label for="mode">Select Mode:</label>
    <select id="mode">
        <option value="timed">Timed</option>
        <option value="untimed">Untimed</option>
    </select>
    <br>
    <button onclick="startQuiz()">Start Quiz</button>
</div>

<div id="quizContainer" style="display:none;">
    <div class="question" id="question"></div>
    <div class="choices" id="choices"></div>
    <button onclick="nextQuestion()">Next Question</button>
</div>
<div class="result" id="result"></div>
<div class="timer" id="timer"></div>
<div class="correct-count" id="correctCount"></div>
<div class="high-score" id="highScore" style="display:none;"></div>
<button id="playAgainBtn" style="display:none;" onclick="playAgain()">Play Again</button>
<button id="shareBtn" class="share-button" style="display:none;" onclick="shareResults()">Share Your Score</button>

<script>
    const quizContainer = document.getElementById("quizContainer");
    const levelContainer = document.getElementById("levelContainer");
    const questionElement = document.getElementById("question");
    const choicesElement = document.getElementById("choices");
    const resultElement = document.getElementById("result");
    const timerElement = document.getElementById("timer");
    const correctCountElement = document.getElementById("correctCount");
    const highScoreElement = document.getElementById("highScore");
    const playAgainBtn = document.getElementById("playAgainBtn");

    let currentQuestion = {};
    let score = 0;
    let initialScore = 0;
    let questionCount = 0;
    let correctCount = 0;
    let highScore = localStorage.getItem('highScore') ? parseInt(localStorage.getItem('highScore')) : 0;
    let level = 'easy';
    let mode = 'timed';
    let timer;
    let timeLeft = 200;
    let scoreBreakdown = [];
    let hasPenalty = false;

    function setLevel() {
        level = document.getElementById("level").value;
    }

    function setMode() {
        mode = document.getElementById("mode").value;
    }

    function startQuiz() {
        setLevel();
        setMode();
        levelContainer.style.display = "none";
        quizContainer.style.display = "block";
        timerElement.style.display = mode === 'timed' ? 'block' : 'none';
        correctCountElement.style.display = "block";
        correctCountElement.innerText = `Correct Answers: 0`;
        score = 0;
        correctCount = 0;
        questionCount = 0;
        scoreBreakdown = [];
        hasPenalty = false;
        if (mode === 'timed') {
            timeLeft = 200;
            startTimer();
        }
        generateQuestion();
    }

    function startTimer() {
        timer = setInterval(function() {
            if (timeLeft <= 0) {
                clearInterval(timer);
                endQuiz();
            } else {
                timerElement.innerText = `Time Left: ${timeLeft} seconds`;
                timeLeft--;
            }
        }, 1000);
    }

    function generateRandomNumber(min, max) {
        return Math.floor(Math.random() * (max - min + 1)) + min;
    }

    function getBinary(value) {
        return value.toString(2).padStart(8, '0');
    }

    function getHexadecimal(value) {
        return value.toString(16).toUpperCase().padStart(2, '0');
    }

    function generateQuestion() {
        let decimalValue, binaryValue, hexadecimalValue, questionText, operator, num1, num2;
        if (level === 'easy') {
            decimalValue = generateRandomNumber(0, 15);
            initialScore = 1;
        } else if (level === 'medium') {
            decimalValue = generateRandomNumber(0, 255);
            initialScore = 5;
        } else if (level === 'hard') {
            decimalValue = generateRandomNumber(-128, 127);
            initialScore = 10;
        } else if (level === 'extreme') {
            initialScore = 20;
            const isMixedConversion = Math.random() > 0.5;
            if (isMixedConversion) {
                num1 = generateRandomNumber(0, 255);
                num2 = generateRandomNumber(0, 255);
                const format1 = Math.random() > 0.5 ? 'hex' : 'bin';
                const format2 = format1 === 'hex' ? 'bin' : 'hex';
                operator = Math.random() > 0.5 ? '+' : '-';
                decimalValue = operator === '+' ? num1 + num2 : num1 - num2;
                questionText = `Convert ${format1 === 'hex' ? getHexadecimal(num1) : getBinary(num1)} (${format1}) ${operator} ${format2 === 'hex' ? getHexadecimal(num2) : getBinary(num2)} (${format2}):`;
                if (decimalValue < 0 || decimalValue > 255) {
                    currentQuestion = {
                        question: questionText,
                        correctAnswer: 'Overflow',
                        choices: generateChoices('Overflow', 'decimal')
                    };
                    displayQuestion();
                    return;
                }
            } else {
                decimalValue = generateRandomNumber(0, 255);
            }
        }

        binaryValue = getBinary((decimalValue + 256) % 256); // Ensure it's always 8-bit
        hexadecimalValue = getHexadecimal((decimalValue + 256) % 256);

        const conversionTypes = level === 'extreme' && questionText ? [questionText] : ["Decimal to Binary", "Decimal to Hexadecimal", "Binary to Decimal", "Hexadecimal to Decimal"];
        if (level === 'hard') {
            conversionTypes.splice(conversionTypes.indexOf("Decimal to Hexadecimal"), 1);
            conversionTypes.splice(conversionTypes.indexOf("Hexadecimal to Decimal"), 1);
        }
        const selectedConversion = conversionTypes[Math.floor(Math.random() * conversionTypes.length)];

        switch (selectedConversion) {
            case "Decimal to Binary":
                currentQuestion = {
                    question: `Convert ${decimalValue} (Decimal) to Binary:`,
                    correctAnswer: binaryValue,
                    choices: generateChoices(binaryValue, "binary")
                };
                break;
            case "Decimal to Hexadecimal":
                currentQuestion = {
                    question: `Convert ${decimalValue} (Decimal) to Hexadecimal:`,
                    correctAnswer: hexadecimalValue,
                    choices: generateChoices(hexadecimalValue, "hexadecimal")
                };
                break;
            case "Binary to Decimal":
                currentQuestion = {
                    question: `Convert ${binaryValue} (Binary) to Decimal:`,
                    correctAnswer: decimalValue.toString(),
                    choices: generateChoices(decimalValue.toString(), "decimal")
                };
                break;
            case "Hexadecimal to Decimal":
                currentQuestion = {
                    question: `Convert ${hexadecimalValue} (Hexadecimal) to Decimal:`,
                    correctAnswer: decimalValue.toString(),
                    choices: generateChoices(decimalValue.toString(), "decimal")
                };
                break;
            default:
                currentQuestion = {
                    question: questionText,
                    correctAnswer: decimalValue.toString(),
                    choices: generateChoices(decimalValue.toString(), "decimal")
                };
                break;
        }

        displayQuestion();
    }

    function displayQuestion() {
        questionElement.innerText = currentQuestion.question;
        choicesElement.innerHTML = "";
        currentQuestion.choices.forEach(choice => {
            const button = document.createElement("button");
            button.innerText = choice;
            button.onclick = () => checkAnswer(choice);
            choicesElement.appendChild(button);
        });
    }

    function generateChoices(correctAnswer, type) {
        const choices = new Set();
        choices.add(correctAnswer);

        while (choices.size < 4) {
            let choice;
            if (level === 'extreme' && choices.size === 3) {
                choice = 'Overflow';
            } else {
                switch (type) {
                    case "binary":
                        choice = getBinary(generateRandomNumber(0, 255));
                        break;
                    case "hexadecimal":
                        choice = getHexadecimal(generateRandomNumber(0, 255));
                        break;
                    case "decimal":
                        choice = generateRandomNumber(0, 255).toString();
                        break;
                }
            }
            choices.add(choice);
        }

        return Array.from(choices).sort(() => Math.random() - 0.5);
    }

    function checkAnswer(selectedChoice) {
        if (selectedChoice === currentQuestion.correctAnswer) {
            score += initialScore;
            correctCount++;
            resultElement.innerText = "Correct!";
            scoreBreakdown.push({ question: currentQuestion.question, points: initialScore, timeBonus: 0 });
        } else {
            resultElement.innerText = `Incorrect. The correct answer is ${currentQuestion.correctAnswer}.`;
            if (mode === 'timed') {
                scoreBreakdown.push({ question: currentQuestion.question, points: 0, timeBonus: -initialScore * timeLeft });
                hasPenalty = true;
            } else {
                scoreBreakdown.push({ question: currentQuestion.question, points: 0, timeBonus: 0 });
            }
        }
        correctCountElement.innerText = `Correct Answers: ${correctCount}`;
        questionCount++;
        setTimeout(nextQuestion, 2000);
    }

    function nextQuestion() {
        resultElement.innerText = "";
        if (questionCount < 10) {
            generateQuestion();
        } else {
            if (mode === 'timed') {
                clearInterval(timer);
            }
            endQuiz();
        }
    }

    function endQuiz() {
        if (mode === 'timed') {
            let totalBonus = Math.max(timeLeft, 0);
            scoreBreakdown.forEach(entry => {
                if (!hasPenalty || entry.points > 0) {
                    entry.timeBonus = entry.points * totalBonus;
                }
            });
            score += scoreBreakdown.reduce((sum, entry) => sum + entry.timeBonus, 0);
        }

        if (score > highScore) {
            highScore = score;
            localStorage.setItem('highScore', highScore);
        }

        displayResults();
    }

    function displayResults() {
        quizContainer.style.display = "none";
        playAgainBtn.style.display = "block";
        highScoreElement.style.display = "block";
        document.getElementById("shareBtn").style.display = "block";
        let breakdownHTML = `<h3>Quiz Over! You scored ${score} points.</h3>`;
        breakdownHTML += `<p>High Score: ${highScore}</p>`;
        if (mode === 'timed') {
            breakdownHTML += `<p>Time Bonus: ${Math.max(timeLeft, 0)}</p>`;
        }
        breakdownHTML += `<h4>Score Breakdown:</h4><ul>`;
        scoreBreakdown.forEach(entry => {
            breakdownHTML += `<li>${entry.question} - Points: ${entry.points}, Time Bonus: ${entry.timeBonus}</li>`;
        });
        breakdownHTML += `</ul>`;
        resultElement.innerHTML = breakdownHTML;
    }

    function playAgain() {
        score = 0;
        questionCount = 0;
        correctCount = 0;
        resultElement.innerText = "";
        playAgainBtn.style.display = "none";
        quizContainer.style.display = "none";
        levelContainer.style.display = "block";
        timerElement.innerText = "";
        correctCountElement.innerText = "";
        highScoreElement.style.display = "none";
        document.getElementById("shareBtn").style.display = "none";
    }

    function shareResults() {
        const shareText = `I scored ${score} points in the Conversion Quiz! Can you beat my high score of ${highScore}?`;
        const url = window.location.href;  // Get the current URL

        const twitterShare = `https://twitter.com/intent/tweet?text=${encodeURIComponent(shareText)}&url=${encodeURIComponent(url)}`;
        const facebookShare = `https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(url)}&quote=${encodeURIComponent(shareText)}`;
        const linkedInShare = `https://www.linkedin.com/shareArticle?mini=true&url=${encodeURIComponent(url)}&title=Conversion Quiz&summary=${encodeURIComponent(shareText)}`;

        // Open share dialogs (for simplicity, we're opening Twitter share here, you can add more)
        window.open(twitterShare, '_blank');
    }

    generateQuestion();
</script>
    <script async defer src="https://scripts.simpleanalyticscdn.com/latest.js"></script>
<noscript><img src="https://queue.simpleanalyticscdn.com/noscript.gif" alt="" referrerpolicy="no-referrer-when-downgrade" /></noscript>
</body>
</html>