State & useState — Roadmap Step & Resources
Component state, the useState hook and re-renders
- Level: intermediate
- Estimated time: 1 days
- Roadmap: MERN Stack
Before this step
Interview questions
- Why can't you mutate state directly in React?
Study resources
- Learn useState In 15 Minutes (Video) — Web Dev Simplified's clear, focused walkthrough of the useState hook and re-renders.
- State: A Component's Memory (Article) — The official React documentation's own explanation of state and why direct mutation doesn't work.
- useState Reference (Article) — Official React reference for useState hook, state updates with updater functions, and avoiding state resets.
Part of
- React — section
- MERN Stack roadmap — the full learning path