const data: products, isLoading = useQuery( queryKey: ['products'], queryFn: () => fetch('http://localhost:5000/api/products').then(res => res.json()) );
A complete guide to ReactJS cannot ignore the backend. Here is where Fullstack becomes real. We need an API. Fullstack React - The Complete Guide to ReactJS...
✅ : Shopping cart with context + custom hook for cart logic const data: products
→ React fundamentals + hooks Week 3 → Context + custom hooks Week 4–5 → Full-stack (build a simple CRUD app with Express + React) Week 6 → Routing + auth Week 7 → Testing + deployment isLoading = useQuery( queryKey: ['products']
return () => socket.off('receive-message');
import Server from 'socket.io';