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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dynamic Quiz Website</title>
<style>
/* Basic styling */
body {
font-family: Arial, sans-serif;
background-color: #f4f4f9;
color: #333;
text-align: center;
padding: 20px;
}
h1 {
font-size: 32px;
margin-bottom: 20px;
color: #007BFF;
}
.menu, .quiz, .score, .leaderboard {
max-width: 600px;
margin: 0 auto;
padding: 20px;
background-color: #fff;
border-radius: 10px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
button {
padding: 10px 20px;
background-color: #007BFF;
color: #fff;
border: none;
border-radius: 5px;
font-size: 16px;
cursor: pointer;
transition: background-color 0.3s ease;
margin: 5px;
}
button:hover {
background-color: #0056b3;
}
.question {
margin-bottom: 20px;
}
.options {
display: flex;
flex-direction: column;
align-items: center;
}
.options button {
width: 80%;
margin: 5px 0;
}
.score {
font-size: 24px;
margin-top: 20px;
}
.progress-bar {
width: 100%;
height: 10px;
background-color: #e0e0e0;
border-radius: 5px;
margin-bottom: 20px;
}
.progress {
height: 100%;
background-color: #007BFF;
border-radius: 5px;
}
.timer {
font-size: 20px;
margin-bottom: 20px;
}
.hint {
color: #ff5722;
cursor: pointer;
margin-top: 10px;
}
.leaderboard {
margin-top: 20px;
}
.leaderboard table {
width: 100%;
border-collapse: collapse;
}
.leaderboard th, .leaderboard td {
padding: 10px;
border: 1px solid #ddd;
}
.leaderboard th {
background-color: #007BFF;
color: #fff;
}
</style>
</head>
<body>
<!-- Main Menu -->
<div id="menu" class="menu">
<h1>Dynamic Quiz Website</h1>
<p>Choose a topic and difficulty to start the quiz:</p>
<select id="difficulty">
<option value="easy">Easy</option>
<option value="medium">Medium</option>
<option value="hard">Hard</option>
</select>
<button onclick="startQuiz('math')">Math</button>
<button onclick="startQuiz('chemistry')">Chemistry</button>
<button onclick="startQuiz('biology')">Biology</button>
<button onclick="startQuiz('science')">Science</button>
<button onclick="startQuiz('history')">History/Social Studies</button>
<button onclick="startQuiz('language')">Language</button>
<button onclick="showLeaderboard()">Leaderboard</button>
</div>
<!-- Quiz Section -->
<div id="quiz" class="quiz" style="display: none;">
<h1 id="quizTopic"></h1>
<div class="progress-bar">
<div class="progress" id="progress"></div>
</div>
<div class="timer" id="timer">Time left: 10</div>
<div class="question">
<p id="questionText"></p>
</div>
<div class="options" id="options"></div>
<div class="hint" onclick="useHint()">Get a hint (-2 points)</div>
<button onclick="backToMenu()">Back to Menu</button>
</div>
<!-- Score Section -->
<div id="score" class="score" style="display: none;">
<h1>Your Score</h1>
<p id="scoreText"></p>
<button onclick="backToMenu()">Back to Menu</button>
<button onclick="shareResult()">Share Result</button>
</div>
<!-- Leaderboard Section -->
<div id="leaderboard" class="leaderboard" style="display: none;">
<h1>Leaderboard</h1>
<table id="leaderboardTable">
<thead>
<tr>
<th>Rank</th>
<th>Username</th>
<th>Score</th>
</tr>
</thead>
<tbody>
<!-- Leaderboard data will be populated here -->
</tbody>
</table>
<button onclick="backToMenu()">Back to Menu</button>
</div>
<script>
let currentTopic = "";
let difficulty = "easy";
let score = 0;
let questionCount = 0;
let timer;
let timeLeft = 10;
let hintUsed = false;
let currentHint = "";
let correctAnswers = 0; // Track correct answers
// Leaderboard data (mock data for now)
const leaderboardData = [
{ username: "Alice", score: 95 },
{ username: "Bob", score: 90 },
{ username: "Charlie", score: 85 },
];
// Function to generate random math questions based on difficulty
function generateMathQuestion() {
const num1 = Math.floor(Math.random() * (difficulty === "easy" ? 10 : difficulty === "medium" ? 20 : 50)) + 1;
const num2 = Math.floor(Math.random() * (difficulty === "easy" ? 10 : difficulty === "medium" ? 20 : 50)) + 1;
const operators = ["+", "-", "*"];
const operator = operators[Math.floor(Math.random() * operators.length)];
const question = `What is ${num1} ${operator} ${num2}?`;
const answer = eval(`${num1} ${operator} ${num2}`).toString();
const options = [answer];
while (options.length < 4) {
const randomOption = Math.floor(Math.random() * (difficulty === "easy" ? 20 : difficulty === "medium" ? 50 : 100)) + 1;
if (!options.includes(randomOption.toString())) {
options.push(randomOption.toString());
}
}
options.sort(() => Math.random() - 0.5); // Shuffle options
// Hint for math question
currentHint = "Think about the order of operations (PEMDAS/BODMAS).";
return { question, options, answer };
}
// Function to generate random chemistry questions
function generateChemistryQuestion() {
const questions = [
{
question: "What is the chemical formula for water?",
answer: "H2O",
options: ["H2O", "CO2", "O2", "NaCl"],
hint: "This compound is essential for life and covers most of the Earth's surface."
},
{
question: "What is the common name for H2O?",
answer: "Water",
options: ["Water", "Carbon Dioxide", "Oxygen", "Sodium Chloride"],
hint: "This compound is commonly found in lakes, rivers, and oceans."
},
{
question: "Which compound is a greenhouse gas?",
answer: "CO2",
options: ["H2O", "CO2", "O2", "NaCl"],
hint: "This compound is released when fossil fuels are burned."
},
{
question: "Balance the equation: H2 + O2 → H2O.",
answer: "2H2 + O2 → 2H2O",
options: ["H2 + O2 → H2O", "2H2 + O2 → 2H2O", "H2 + 2O2 → 2H2O", "2H2 + 2O2 → 2H2O"],
hint: "Remember that the number of atoms on both sides of the equation must be equal."
}
];
const randomQuestion = questions[Math.floor(Math.random() * questions.length)];
currentHint = randomQuestion.hint;
return randomQuestion;
}
// Function to generate random biology questions
function generateBiologyQuestion() {
const questions = [
{
question: "Which organelle is known as the powerhouse of the cell?",
answer: "Mitochondria",
options: ["Nucleus", "Mitochondria", "Ribosome", "Chloroplast"],
hint: "This organelle produces energy in the form of ATP."
},
{
question: "What is the function of the ribosome?",
answer: "Protein synthesis",
options: ["Energy production", "Protein synthesis", "DNA replication", "Waste removal"],
hint: "This organelle is responsible for creating proteins."
},
{
question: "Which part of the human body is responsible for pumping blood?",
answer: "Heart",
options: ["Brain", "Heart", "Liver", "Lungs"],
hint: "This organ is part of the circulatory system."
},
{
question: "What is the largest organ in the human body?",
answer: "Skin",
options: ["Liver", "Skin", "Brain", "Heart"],
hint: "This organ protects the body from external damage."
}
];
const randomQuestion = questions[Math.floor(Math.random() * questions.length)];
currentHint = randomQuestion.hint;
return randomQuestion;
}
// Function to generate random history/social studies questions
function generateHistoryQuestion() {
const questions = [
{
question: "Who was the first President of the United States?",
answer: "George Washington",
options: ["Thomas Jefferson", "George Washington", "Abraham Lincoln", "John Adams"],
hint: "He is often referred to as the 'Father of His Country'."
},
{
question: "In which year did World War II end?",
answer: "1945",
options: ["1939", "1945", "1950", "1960"],
hint: "The war ended after the surrender of Japan."
},
{
question: "Which document declared the independence of the United States?",
answer: "Declaration of Independence",
options: ["Constitution", "Declaration of Independence", "Bill of Rights", "Magna Carta"],
hint: "This document was adopted on July 4, 1776."
},
{
question: "Who wrote 'The Communist Manifesto'?",
answer: "Karl Marx and Friedrich Engels",
options: ["Karl Marx and Friedrich Engels", "Vladimir Lenin", "Joseph Stalin", "Mao Zedong"],
hint: "This book was published in 1848."
}
];
const randomQuestion = questions[Math.floor(Math.random() * questions.length)];
currentHint = randomQuestion.hint;
return randomQuestion;
}
// Function to generate random language questions
function generateLanguageQuestion() {
const questions = [
{
question: "What is the past tense of 'go'?",
answer: "Went",
options: ["Goed", "Went", "Gone", "Going"],
hint: "This verb is irregular and does not follow the standard past tense rules."
},
{
question: "What is the plural of 'child'?",
answer: "Children",
options: ["Childs", "Children", "Childen", "Childe"],
hint: "This word is an irregular plural."
},
{
question: "Which word is a synonym for 'happy'?",
answer: "Joyful",
options: ["Sad", "Joyful", "Angry", "Bored"],
hint: "This word means feeling or showing pleasure."
},
{
question: "What is the main verb in the sentence: 'She is reading a book.'?",
answer: "Reading",
options: ["She", "Is", "Reading", "Book"],
hint: "This word describes the action in the sentence."
}
];
const randomQuestion = questions[Math.floor(Math.random() * questions.length)];
currentHint = randomQuestion.hint;
return randomQuestion;
}
// Function to start the quiz
function startQuiz(topic) {
currentTopic = topic;
difficulty = document.getElementById("difficulty").value;
score = 0;
questionCount = 0;
correctAnswers = 0; // Reset correct answers counter
document.getElementById("menu").style.display = "none";
document.getElementById("quiz").style.display = "block";
document.getElementById("quizTopic").innerText = topic.charAt(0).toUpperCase() + topic.slice(1);
timeLeft = 10; // Reset timeLeft
document.getElementById("timer").innerText = `Time left: ${timeLeft}`;
loadQuestion();
startTimer();
}
// Function to load the next question
function loadQuestion() {
let questionData;
switch (currentTopic) {
case "math":
questionData = generateMathQuestion();
break;
case "chemistry":
questionData = generateChemistryQuestion();
break;
case "biology":
questionData = generateBiologyQuestion();
break;
case "history":
questionData = generateHistoryQuestion();
break;
case "language":
questionData = generateLanguageQuestion();
break;
default:
questionData = { question: "No question available", options: [], answer: "" };
}
document.getElementById("questionText").innerText = questionData.question;
const optionsDiv = document.getElementById("options");
optionsDiv.innerHTML = "";
questionData.options.forEach(option => {
const button = document.createElement("button");
button.innerText = option;
button.onclick = () => checkAnswer(option, questionData.answer);
optionsDiv.appendChild(button);
});
updateProgressBar();
}
// Function to check the answer
function checkAnswer(selected, correct) {
if (selected === correct) {
correctAnswers++; // Increment correct answers counter
score += hintUsed ? 1 : 2; // Deduct points if hint was used
}
hintUsed = false;
questionCount++;
if (questionCount % 10 === 0) {
showScore();
} else {
loadQuestion();
}
}
// Function to show the score
function showScore() {
clearInterval(timer);
document.getElementById("quiz").style.display = "none";
document.getElementById("score").style.display = "block";
document.getElementById("scoreText").innerText = `You scored ${correctAnswers * 5} points!`;
}
// Function to go back to the main menu
function backToMenu() {
clearInterval(timer);
document.getElementById("quiz").style.display = "none";
document.getElementById("score").style.display = "none";
document.getElementById("leaderboard").style.display = "none";
document.getElementById("menu").style.display = "block";
}
// Function to start the timer
function startTimer() {
timer = setInterval(() => {
timeLeft--;
document.getElementById("timer").innerText = `Time left: ${timeLeft}`;
if (timeLeft <= 0 || questionCount >= 10) { // Check if time is up OR 10 questions have been answered
clearInterval(timer);
showScore();
}
}, 1000);
}
// Function to update the progress bar
function updateProgressBar() {
const progress = (questionCount / 10) * 100;
document.getElementById("progress").style.width = `${progress}%`;
}
// Function to use a hint
function useHint() {
hintUsed = true;
alert(`Hint: ${currentHint}`);
}
// Function to show the leaderboard
function showLeaderboard() {
document.getElementById("menu").style.display = "none";
document.getElementById("leaderboard").style.display = "block";
const leaderboardTable = document.getElementById("leaderboardTable").getElementsByTagName("tbody")[0];
leaderboardTable.innerHTML = "";
leaderboardData.sort((a, b) => b.score - a.score).forEach((entry, index) => {
const row = leaderboardTable.insertRow();
row.insertCell().innerText = index + 1;
row.insertCell().innerText = entry.username;
row.insertCell().innerText = entry.score;
});
}
// Function to share the result on social media
function shareResult() {
const shareText = `I scored ${score} points on the Dynamic Quiz Website! Can you beat me?`;
const shareUrl = window.location.href;
window.open(`https://twitter.com/intent/tweet?text=${encodeURIComponent(shareText)}&url=${encodeURIComponent(shareUrl)}`, '_blank');
}
</script>
</body>
</html>
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