Quiz Game

// Array of question objects
const questions = [
  {
    question: 'What is 2 + 2?',
    options: ['3', '4', '5', '6'],
    correct: 1  // Index of correct answer
  },
  {
    question: 'What color is the sky?',
    options: ['Red', 'Blue', 'Green', 'Yellow'],
    correct: 1
  },
  {
    question: 'How many days in a week?',
    options: ['5', '6', '7', '8'],
    correct: 2
  }
]
 // Game state
let currentQuestion = 0
let score = 0

function checkAnswer(selectedIndex) {
  const question = questions[currentQuestion]
   if (selectedIndex === question.correct) {
    score++
    console.log('Correct!')
    return true
  } else {
    console.log('Wrong! The correct answer was: ' +
                question.options[question.correct])
    return false
  }
}
 function nextQuestion() {
  if (currentQuestion < questions.length - 1) {
    currentQuestion++
    return true  // More questions
  } else {
    return false  // Quiz complete
  }
}

// Display current question
function displayQuestion() {
  const q = questions[currentQuestion]
  console.log(\`Question \${currentQuestion + 1} of \${questions.length}\`)
  console.log(q.question)
   q.options.forEach((option, index) => {
    console.log(\`\${index + 1}. \${option}\`)
  })
}
 // Main game flow
function playQuiz() {
  displayQuestion()
  // User selects answer (0-3)
  const answer = getUserInput()
   const correct = checkAnswer(answer)
   if (nextQuestion()) {
    playQuiz()  // Recursive call for next question
  } else {
    showResults()
  }
}
 function showResults() {
  console.log('Quiz Complete!')
  console.log(\`Score: \${score}/\${questions.length}\`)
   const percentage = (score / questions.length) * 100
   if (percentage >= 80) {
    console.log('Excellent!')
  } else if (percentage >= 60) {
    console.log('Good job!')
  } else {
    console.log('Keep practicing!')
  }
}