M Mr. Dubey 🎓 Coach ⭐ 104.60K Points 📊 Angular Q. What is the purpose of the 'trackBy' function in *ngFor? (A) To optimize rendering by tracking items by unique identifier (B) To filter items in the list (C) To sort the list (D) To bind CSS classes 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) To optimize rendering by tracking items by unique identifier Explanation: trackBy helps Angular detect which items changed to minimize DOM updates.