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Q. ${q.question}
${q.options.map((o,i)=>`
${o}
`).join("")}
`;// Next button hide on last question
document.querySelector(".right-btn").style.display =
(current === quizData.length-1) ? "none" : "inline-block";
}function saveAns(){
let sel = document.querySelector('input[name="opt"]:checked');
if(sel) userAns[current] = parseInt(sel.value);
}function nextQ(){
saveAns();
if(current < quizData.length-1){
current++;
loadQ();
}
}function prevQ(){
saveAns();
if(current > 0){
current--;
loadQ();
}
}function submitTest(){
saveAns();
let score = 0;
let review = "";quizData.forEach((q,i)=>{
let user = userAns[i];
let correct = q.answer;
let ok = (user === correct);
if(ok) score++;review += `Q${i+1}. ${q.question}
Your Answer: ${user!==undefined?q.options[user]:"Not Answered"} ${ok?"✅":"❌"}
Correct Answer: ${q.options[correct]}
`;
});document.getElementById("quiz-box").innerHTML="";
document.getElementById("controls").style.display="none";
document.querySelector(".submit-btn").style.display="none";
document.getElementById("top-bar").style.display="none";
document.body.classList.add("show-result");document.getElementById("result").innerHTML = `Test Completed Total Questions: ${quizData.length}
Correct: ${score}
Wrong: ${quizData.length-score}
Score: ${Math.round(score/quizData.length*100)}%
Retake Quiz
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${review}`;
}function goBack(){
window.location.href="https://yoursite.com/mock-test/";
}loadQ();
Chmeistry Mock Test 5
Chemistry Mock Series
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