React Fundamentals

Go from zero to building real, interactive React apps. Components, state, effects, and forms.

1. 1

   Components & JSX

   Build your first components and understand how JSX renders.

2. 2

   State with useState

   Make UIs interactive by tracking and updating local state.

3. 3

   Side effects with useEffect

   Fetch data and synchronize with external systems.

4. 4

   Forms & validation

   Capture and validate user input with controlled inputs.