`; grid.appendChild(card); }); } function highlight(sentence, verb) { const regex = new RegExp(`\\b(${verb})\\b`, 'gi'); return sentence.replace(regex, `$1`); } function filterBy(cat) { currentFilter = cat; document.querySelectorAll('.cat-btn').forEach(b => b.classList.remove('btn-active')); event.target.classList.add('btn-active'); update(); } function update() { const query = searchInput.value.toLowerCase().trim(); filteredVerbs = verbData.filter(v => { const matchSearch = v.v1.toLowerCase().includes(query) || v.v1_bn.includes(query); const matchCat = currentFilter === 'All' || v.cat === currentFilter; return matchSearch && matchCat; }); renderVerbs(); } searchInput.addEventListener('input', update); // Quiz Logic let quiz = { q: [], i: 0, s: 0 }; function startQuiz() { quiz.q = [...verbData].sort(() => Math.random() - 0.5).slice(0, 10); quiz.i = 0; quiz.s = 0; renderQ(); document.getElementById('quiz-section').scrollIntoView({ behavior: 'smooth' }); } function renderQ() { const current = quiz.q[quiz.i]; const type = Math.random() > 0.5 ? 'v2' : 'v3'; const answer = current[type]; let options = [answer]; while(options.length < 4) { const r = verbData[Math.floor(Math.random() * verbData.length)][type]; if(!options.includes(r)) options.push(r); } options.sort(() => Math.random() - 0.5); document.getElementById('quiz-box').innerHTML = ` `; } function check(sel, ans) { if(sel === ans) quiz.s++; quiz.i++; if(quiz.i < 10) renderQ(); else finish(); } function finish() { document.getElementById('quiz-box').innerHTML = ` `; } window.onload = renderVerbs;