Q111. Is that possible to use useImperativeHandle without forwardRef?
**No.** `useImperativeHandle` only works when the component is wrapped in `forwardRef`. It's the combination that allows parent components to use a `ref` on a function co...
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Q112. Does useMemo prevent re-rendering of child components?
The `useMemo` hook **does not directly prevent re-rendering of child components**. Its main purpose is to memoize the result of an expensive computation so that it doesn’...
Q113. What is `useCallback` and why is it used?
The `useCallback` is a React Hook used to memoize **function definitions** between renders. It returns the same function reference unless its dependencies change. This is...
Q114. What are Custom React Hooks, and How Can You Develop One?
**Custom Hooks** in React are JavaScript functions that allow you to **extract and reuse component logic** using React’s built-in Hooks like `useState`, `useEffect`, etc....
Q115. What is the useDeferredValue hook?
The `useDeferredValue` hook is used to **defer updating a part of the UI** to keep other parts responsive. It accepts a value and returns a "deferred" version of that val...
Q116. How do you share state logic between components using custom hooks?
Custom hooks allow you to **extract and share stateful logic** between components without changing their hierarchy. The state itself is not shared—each component using th...
Q117. What are the best practices for using React Hooks?
Following best practices ensures your hooks are predictable, maintainable, and bug-free. #### 1. **Follow the Rules of Hooks** - Only call hooks at the top level (not ins...
Q118. What are Server Actions in React 19?
**Server Actions** allow you to call server-side functions directly from client components without writing API endpoints. #### Basic Server Action ```jsx // app/actions.j...
Q119. What is the React Compiler (React Forget)?
The **React Compiler** (formerly known as React Forget) automatically optimizes your components by adding memoization where needed - eliminating the need for manual `useM...
Q120. What is the difference between HOCs and Hooks?
Both **Higher-Order Components (HOCs)** and **Hooks** let you reuse logic across components, but they solve that problem in very different ways. | Aspect | Higher-Order C...