Solverminds Solutions and Technologies Software Engineer Interview Questions and Answers

Hooks are functions that let you use state and other React features in functional components. Performance optimization methods include memoization, useCallback, and useMemo.

• Use useMemo to memoize expensive calculations and prevent unnecessary re-renders.

• Use useCallback to memoize functions and prevent unnecessary re-creations.

• Avoid unnecessary re-renders by optimizing component updates with shouldComponentUpdate or Rea...read more

Redux is a popular state management library for JavaScript applications.

• Redux is commonly used with React to manage the state of an application.

• It follows a unidirectional data flow, where actions are dispatched to update the state.

• Reducers are pure functions that specify how the state should change in response to actions.

• Selectors can be used to efficiently extract specific pieces of state from the store.

• Middleware ca...read more