React Hooks

Question 1

What is the purpose of the useState hook?

Answer 1

It lets you add state to functional components.

Question 2

What does the useEffect hook do?

Answer 2

It performs side effects (like data fetching, DOM manipulation, etc.) in functional components.

Question 3

Explain the useReducer hook and its use cases.

Answer 3

useReducer is an alternative to useState that’s more suited for managing complex state logic. It accepts a reducer function and an initial state, returning the current state paired with a dispatch method.