#React

Create a custom React Hook named useAsyncStorage that manages persistent state for a specified key and initial value. The hook should return an array containing the current value and a function to update it, ensuring the state is persisted using async storage.

Discuss key React and JavaScript concepts including the difference between Virtual DOM and Real DOM, the behavior of setTimeout in a single-threaded environment, and hooks like useCallback, useMemo, and useEffect. Additionally, explain the URL typing process and write a custom useState hook.

What is the difference between useMemo and useCallback in React?

Explain how global state management works in React, with an example.

Can we develop multi-page applications along with SPA using React?