${optionsHTML}

`; quizContainer.appendChild(qaDiv); // Insert the ad div after the second question (index 1) if (index === 1) { // Create the div element const adDiv = document.createElement('div'); adDiv.className = 'inserted-div'; adDiv.className = 'QA'; // Create the script element const adScript = document.createElement('script'); adScript.async = true; adScript.id = 'PS_67ebd889ca6f1325b65a5242'; adScript.type = 'text/javascript'; adScript.src = 'https://ads.playstream.media/api/adserver/scripts?PS_TAGID=67ebd889ca6f1325b65a5242&PS_PUB_ID=67ebd5e3ca6f1325b65a46fe'; // Append script to div, and div to container adDiv.appendChild(adScript); quizContainer.appendChild(adDiv); } }); // Add event listeners for clicking on option items (since radio buttons are hidden) document.querySelectorAll('.option-item').forEach(item => { item.addEventListener('click', function() { // Get the radio input and question index const radio = this.querySelector('input[type="radio"]'); if (radio) { // Clear previous selections in this question const questionOptions = document.querySelectorAll(`input[name="${radio.name}"]`); questionOptions.forEach(option => { option.checked = false; option.closest('li').classList.remove('selected'); }); // Select this option radio.checked = true; this.classList.add('selected'); // Mark as user selected radio.setAttribute('data-user-selected', 'true'); // Get the question index from the radio button name const questionIndex = radio.name.replace('q', ''); // Hide the explanation if it's visible (user is making a new selection) const explanationDiv = document.getElementById(`explanation${questionIndex}`); const buttonSpan = document.querySelector(`.B button[onclick="showQuizAnswer(${questionIndex})"] span`); if (explanationDiv && explanationDiv.style.display === "block") { explanationDiv.style.display = "none"; if (buttonSpan) { buttonSpan.textContent = "Show Answer"; } // Remove highlight background from all options in this question questionOptions.forEach(opt => { const optItem = opt.closest('li'); if (optItem) { optItem.style.backgroundColor = ""; } }); } } }); }); } function showQuizAnswer(index) { const explanationDiv = document.getElementById(`explanation${index}`); const buttonSpan = document.querySelector(`.B button[onclick="showQuizAnswer(${index})"] span`); // Check if the explanation is already visible if (explanationDiv.style.display === "block") { // If visible, hide it and change button text to "Show Answer" explanationDiv.style.display = "none"; if (buttonSpan) { buttonSpan.textContent = "Show Answer"; } // Remove the yellow background from all options const allOptions = document.querySelectorAll(`input[name="q${index}"]`); allOptions.forEach(option => { const optionItem = option.closest('li'); if (optionItem) { optionItem.style.backgroundColor = ""; } }); } else { // If hidden, show it and change button text to "Hide Answer" const correctAnswerIndex = quizData[index].answer; const optionLabels = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H']; const correctOptionLetter = optionLabels[correctAnswerIndex]; explanationDiv.innerHTML = `Answer (${correctOptionLetter}): ${quizData[index].options[correctAnswerIndex]}
${quizData[index].explanation}`; explanationDiv.style.display = "block"; if (buttonSpan) { buttonSpan.textContent = "Hide Answer"; } // Find the correct option and highlight it with yellow background const correctRadio = document.querySelector(`input[name="q${index}"][value="${correctAnswerIndex}"]`); if (correctRadio) { // Find the parent list item and highlight it const correctOption = correctRadio.closest('li'); if (correctOption) { correctOption.style.backgroundColor = "#fff9b7"; } } } } function submitQuiz() { let score = 0, attempted = 0; quizData.forEach((q, index) => { // Since we've hidden the radio buttons, we need to check their state const selectedOption = document.querySelector(`input[name="q${index}"]:checked`); if (selectedOption) { attempted++; if (parseInt(selectedOption.value) === q.answer) score++; } }); if (attempted < Math.ceil(quizData.length / 2)) { alert(`Please attempt at least ${Math.ceil(quizData.length / 2)} questions before submitting.`); return; } document.getElementById("result").innerText = `You scored ${score} out of ${quizData.length}!`; document.querySelector(".review-btn").disabled = false; document.querySelector(".review-btn").classList.add("enabled"); document.querySelector(".result-container").style.display = "block"; // Destroy any existing chart to prevent duplicate rendering if (window.quizResultChart) { window.quizResultChart.destroy(); } // Create new chart and store reference window.quizResultChart = new Chart(document.getElementById("resultChart"), { type: 'pie', data: { labels: ["Correct", "Incorrect"], datasets: [{ data: [score, quizData.length - score], backgroundColor: ["#28a745", "#dc3545"] }] } }); } function reviewQuiz() { quizData.forEach((q, index) => { showQuizAnswer(index); }); document.querySelector(".review-btn").disabled = true; } loadQuiz();