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script.js
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script.js
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let QuestionElement = document.getElementById('question');
let buttons = document.getElementById('answers');
let next = document.getElementById('next');
let restart = document.getElementById('restart');
let tobeginning = document.getElementById('tobeginning');
let nextcategory = document.getElementById('nextcategory');
let categorytitle = document.getElementById('categorytitle');
let categories = document.getElementById('categories');
let scoreResult = document.getElementById('scoreresult');
let totalscore = document.getElementById('totalscore');
const questions =[ [
{
question: "Q1: What is the capital of Silicon Valley?",
answer: [
{ option: "San Francisco", isCorrect: false },
{ option: "San Jose", isCorrect: true },
{ option: "Palo Alto", isCorrect: false }
]
},
{
question: "Q2: What programming language does not use semicolons?",
answer: [
{ option: "Python", isCorrect: true },
{ option: "JavaScript", isCorrect: false },
{ option: "Java", isCorrect: false }
]
},
{
question: "Q3: Which company developed the Windows operating system?",
answer: [
{ option: "Microsoft", isCorrect: true },
{ option: "Apple", isCorrect: false },
{ option: "Linux", isCorrect: false }
]
},
{
question: "Q4: What does HTML stand for?",
answer: [
{ option: "High-Level Text Language", isCorrect: false },
{ option: "HyperLink and Text Markup", isCorrect: false },
{ option: "HyperText Markup Language", isCorrect: true }
]
},
{
question: "Q5: What is the main function of a router in a computer network?",
answer: [
{ option: "Firewall Protection", isCorrect: false },
{ option: "Wireless Transmission", isCorrect: false },
{ option: "Routing", isCorrect: true }
]
},
{
question: "Q6: What is the term for malicious software that demands a ransom?",
answer: [
{ option: "Ransomware", isCorrect: true },
{ option: "Spyware", isCorrect: false },
{ option: "Malware", isCorrect: false }
]
},
{
question: "Q7: What is the primary purpose of JavaScript in web development?",
answer: [
{ option: "Styling", isCorrect: false },
{ option: "Interactivity", isCorrect: true },
{ option: "Database Management", isCorrect: false }
]
},
{
question: "Q8: What is the programming language developed by Google?",
answer: [
{ option: "Swift", isCorrect: false },
{ option: "Go", isCorrect: true },
{ option: "Ruby", isCorrect: false }
]
},
{
question: "Q9: What does CPU stand for?",
answer: [
{ option: "Computer Processing Unit", isCorrect: false },
{ option: "Central Processor Unit", isCorrect: false },
{ option: "Central Processing Unit", isCorrect: true }
]
},
{
question: "Q10: Which company created the Android operating system?",
answer: [
{ option: "Google", isCorrect: true },
{ option: "Apple", isCorrect: false },
{ option: "Samsung", isCorrect: false }
]
}
],
[
{
question: "Q1: What is the capital of France?",
answer: [
{ option: "Berlin", isCorrect: false },
{ option: "Madrid", isCorrect: false },
{ option: "Paris", isCorrect: true }
]
},
{
question: "Q2: Which river is the longest in the world?",
answer: [
{ option: "Amazon", isCorrect: false },
{ option: "Nile", isCorrect: true },
{ option: "Yangtze", isCorrect: false }
]
},
{
question: "Q3: In which mountain range is Mount Everest located?",
answer: [
{ option: "Andes", isCorrect: false },
{ option: "Rocky Mountains", isCorrect: false },
{ option: "Himalayas", isCorrect: true }
]
},
{
question: "Q4: What is the largest desert in the world?",
answer: [
{ option: "Sahara", isCorrect: false },
{ option: "Gobi", isCorrect: false },
{ option: "Antarctica", isCorrect: true }
]
},
{
question: "Q5: Which country is known as the Land of the Rising Sun?",
answer: [
{ option: "China", isCorrect: false },
{ option: "Japan", isCorrect: true },
{ option: "South Korea", isCorrect: false }
]
},
{
question: "Q6: What is the capital of Australia?",
answer: [
{ option: "Sydney", isCorrect: false },
{ option: "Canberra", isCorrect: true },
{ option: "Melbourne", isCorrect: false }
]
},
{
question: "Q7: Which ocean is the largest on Earth?",
answer: [
{ option: "Atlantic", isCorrect: false },
{ option: "Indian", isCorrect: false },
{ option: "Pacific", isCorrect: true }
]
},
{
question: "Q8: What is the official language of Brazil?",
answer: [
{ option: "Spanish", isCorrect: false },
{ option: "Portuguese", isCorrect: true },
{ option: "French", isCorrect: false }
]
},
{
question: "Q9: In which continent is the Sahara Desert located?",
answer: [
{ option: "Asia", isCorrect: false },
{ option: "Africa", isCorrect: true },
{ option: "South America", isCorrect: false }
]
},
{
question: "Q10: What is the capital of Canada?",
answer: [
{ option: "Toronto", isCorrect: false },
{ option: "Ottawa", isCorrect: true },
{ option: "Vancouver", isCorrect: false }
]
}
],
[
{
question: "Q1: In which year did World War I begin?",
answer: [
{ option: "1914", isCorrect: true },
{ option: "1918", isCorrect: false },
{ option: "1939", isCorrect: false }
]
},
{
question: "Q2: Who was the first President of the United States?",
answer: [
{ option: "Thomas Jefferson", isCorrect: false },
{ option: "George Washington", isCorrect: true },
{ option: "Abraham Lincoln", isCorrect: false }
]
},
{
question: "Q3: What famous document begins with the words 'We the People'?",
answer: [
{ option: "The Magna Carta", isCorrect: false },
{ option: "The Declaration of Independence", isCorrect: false },
{ option: "The U.S. Constitution", isCorrect: true }
]
},
{
question: "Q4: Who was the leader of the Soviet Union during World War II?",
answer: [
{ option: "Vladimir Putin", isCorrect: false },
{ option: "Joseph Stalin", isCorrect: true },
{ option: "Nikita Khrushchev", isCorrect: false }
]
},
{
question: "Q5: What event marked the beginning of the Great Depression in the United States?",
answer: [
{ option: "The Wall Street Crash of 1929", isCorrect: true },
{ option: "The Roaring Twenties", isCorrect: false },
{ option: "The Prohibition Era", isCorrect: false }
]
},
{
question: "Q6: In which year did the Titanic sink?",
answer: [
{ option: "1912", isCorrect: true },
{ option: "1920", isCorrect: false },
{ option: "1931", isCorrect: false }
]
},
{
question: "Q7: Who was the first woman to win a Nobel Prize?",
answer: [
{ option: "Marie Curie", isCorrect: true },
{ option: "Rosa Parks", isCorrect: false },
{ option: "Amelia Earhart", isCorrect: false }
]
},
{
question: "Q8: What ancient civilization built the pyramids?",
answer: [
{ option: "Greece", isCorrect: false },
{ option: "Rome", isCorrect: false },
{ option: "Egypt", isCorrect: true }
]
},
{
question: "Q9: Who was the leader of the Allied forces during World War II?",
answer: [
{ option: "Winston Churchill", isCorrect: true },
{ option: "Adolf Hitler", isCorrect: false },
{ option: "Benito Mussolini", isCorrect: false }
]
},
{
question: "Q10: What event led to the start of the Korean War?",
answer: [
{ option: "The invasion of South Korea by North Korea", isCorrect: true },
{ option: "The dropping of atomic bombs on Japan", isCorrect: false },
{ option: "The Cuban Missile Crisis", isCorrect: false }
]
}
]
];
let CategoryIndex = 0;
let QuestionIndex = 0;
let score = 0;
let totalScore = 0;
let NbOfCatgsPlayed = 1;
let categorieNames = ["Technologie", "Geography", "History"];
SelectCategory = (CatgId) => {
//regular expression to extract numeric part from the categorie iD
const CategoryId = parseInt(CatgId.replace(/\D/g, ''), 10);
CategoryIndex = CategoryId;
categories.style.display = "none";
categorytitle.style.display = "none";
QuestionElement.style.display = "block"
displayQuestion();
};
const displayQuestion = () => {
QandAReset();
const currentQuestion = questions[CategoryIndex][QuestionIndex];
QuestionElement.innerHTML = currentQuestion.question;
currentQuestion.answer.forEach(answer => {
// Create a button
const button = document.createElement("button");
button.innerHTML = answer.option;
button.classList.add("btn");
buttons.appendChild(button);
if(answer.isCorrect){
button.dataset.isCorrect = answer.isCorrect;
}
button.addEventListener("click", SelectAnswer);
});
};
const QandAReset = () => {
next.style.display = "none";
while(buttons.firstChild){
buttons.removeChild(buttons.firstChild);
}
}
const SelectAnswer = (e) => {
next.style.display = "block";
const btnSeleceted = e.target;
const Correct = btnSeleceted.dataset.isCorrect ==="true";
if(Correct){
btnSeleceted.classList.add("correct");
score++;
}
else{
btnSeleceted.classList.add("incorrect");
}
Array.from(buttons.children).forEach(button => {
if(button.dataset.isCorrect === "true"){
button.classList.add("correct");
}
button.disabled = true;
});
QuestionIndex++;
next.style.display = "block";
if(QuestionIndex === (questions[CategoryIndex].length)){
totalScore = totalScore + score;
if(CategoryIndex >= (questions.length - 1)){
setTimeout(ScoreShow, 500);
restart.style.display = "block";
tobeginning.style.display = "block";
next.style.display = "none";}
else{
ScoreShow();
restart.style.display = "block";
tobeginning.style.display = "block";
next.style.display = "none";}
if(CategoryIndex < (questions.length - 1)){
nextcategory.style.display = "block";
}
else{
QuestionElement.style.display = "none"
setTimeout(ShowTotalScore, 500);
setTimeout(QandAReset, 500);
}
};
};
next.addEventListener("click", ()=>{
displayQuestion();
});
let categoryName;
const ScoreShow = () => {
categoryName = categorieNames[CategoryIndex];
if((score / questions[CategoryIndex].length) * 100 === 100){
scoreResult.innerHTML = "You answered all questions correctly in" + " " + categoryName + " " + "😊 achieving a " + (score / questions[CategoryIndex].length) * 100 + "% score!";
}
else{
scoreResult.innerHTML = "You achieved a " + (score / questions[CategoryIndex].length) * 100 + "% score in" + " " + categoryName + ".";
}
};
let totalresult = 0;
const ShowTotalScore = () => {
totalresult =((totalScore / NbOfCatgsPlayed)* 10);
let decimalPlaces = totalresult % 1 === 0 ? 0 : 1;
// Display totalresult with the appropriate number of decimal places
totalresult = totalresult.toFixed(decimalPlaces);
if(totalresult == 100){
totalscore.innerHTML = "Congratulations! Your Quiz score is a perfect 100! Gold Trophy achieved! <img src='images/Gold.png' id ='master'>";
}
else if(totalresult >= 75 && totalresult < 100){
totalscore.innerHTML = "Great job! Your Total Quiz score is" + " " + totalresult + "%" + "." + " " + " Silver Medal achieved!" + " " + "Keep up the good work! <img src='images/Silver.png' id ='pro'>";
}
else if(totalresult >= 50 && totalresult < 75){
totalscore.innerHTML ="Nice effort! Your Total Quiz score is" + " " + totalresult + "%" + "." + " " + "Bronze Medal achieved!" + " " + "Keep practicing and improving! <img src='images/Bronze.png' id ='amateur'>";
}
else{
totalscore.innerHTML = "Better luck next time! Your Total Quiz score is" + " " + totalresult + "%" + "." + " " + "Don't give up, keep learning!";
}
};
const PlayAgain = () => {
restart.style.display = "none";
tobeginning.style.display = "none";
nextcategory.style.display = "none";
totalScore = totalScore - score;
QuestionIndex = 0;
score = 0;
displayQuestion();
scoreResult.innerHTML = "";
totalscore.innerHTML = "";
QuestionElement.style.display = "block"
};
const NextCategory = () => {
restart.style.display = "none";
tobeginning.style.display = "none";
nextcategory.style.display = "none";
CategoryIndex++;
QuestionIndex = 0;
NbOfCatgsPlayed = NbOfCatgsPlayed + 1;
scoreResult.innerHTML = "";
totalscore.innerHTML = "";
score = 0;
displayQuestion();
};
const chooseCategorie = () => {
QandAReset();
CategoryIndex = 0;
QuestionIndex = 0;
score = 0;
totalScore = 0;
NbOfCatgsPlayed = 1;
scoreResult.innerHTML = "";
totalscore.innerHTML = "";
restart.style.display = "none";
tobeginning.style.display = "none";
nextcategory.style.display = "none";
QuestionElement.style.display = "none";
categorytitle.style.display = "block";
categories.style.display = "flex";
};