lesson

React & Next.js Patterns

49 / 53

40 minlesson

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1 min read

Interviews often ask about useMemo, useCallback, useReducer, and custom hooks. Understand when each improves performance or simplifies logic.

Your Task

Build a useCounter custom hook and use it in a component.

You completed the free preview — you are ready for the full path.

All lessons are readable below. To write and run code from lesson 11 onwards, upgrade to Path Plus ($9/mo) or Pro.

1 min read

Interviews often ask about useMemo, useCallback, useReducer, and custom hooks. Understand when each improves performance or simplifies logic.

Build a useCounter custom hook and use it in a component.

1 min read

Interviews often ask about useMemo, useCallback, useReducer, and custom hooks. Understand when each improves performance or simplifies logic.

Build a useCounter custom hook and use it in a component.

1 min read

Interviews often ask about useMemo, useCallback, useReducer, and custom hooks. Understand when each improves performance or simplifies logic.

Build a useCounter custom hook and use it in a component.