What is code splitting and how do you implement it?

Short answer: Code splitting is the practice of breaking up the bundle into smaller chunks so that only the required code is loaded when needed, improving initial load performance. How to Implement:

Real-world example (ShopNest)

ShopNest’s storefront is React: components for ProductCard, CartDrawer, and CheckoutForm, with hooks for local UI state.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.