`; container.innerHTML += html; }); // PROGRESS function selectOption(radio){ let opts = radio.closest('.question').querySelectorAll('.option'); opts.forEach(o=>o.classList.remove('selected')); radio.parentElement.classList.add('selected'); updateProgress(); } function updateProgress(){ let answered = document.querySelectorAll('input[type=radio]:checked').length; document.getElementById("progress").innerText=`Answered: ${answered} / ${questions.length}`; } // SUBMIT function submitQuiz(){ if(!confirm("Are you sure you want to submit?")) return; clearInterval(timer); let score=0; document.querySelectorAll('.question').forEach(q=>{ q.querySelectorAll('input').forEach(opt=>{ let parent = opt.parentElement; if(opt.value==="true") parent.classList.add("correct"); if(opt.checked && opt.value==="false") parent.classList.add("wrong"); }); let selected = q.querySelector('input:checked'); if(selected && selected.value==="true") score++; }); let grade=""; if(score>=40) grade="🟢 Excellent"; else if(score>=25) grade="🟡 Average"; else grade="🔴 Fail"; document.getElementById("result").innerHTML=`✅ Score: ${score}/${questions.length}
${grade}`; }