Most Important ReactJs Interview Questions in 2022

What is ReactJs
What is difference between virtual dom and shallow dom, dom in ReactJs
What is controlled and uncontrolled component in ReactJs
What is hooks in ReactJs
What is jsx, babel, webpack
What is Redux
What is reducer, action, store in Redux
What is middleware in Redux
Explain data flow in Redux
What is Redux-Thunk
What is Redux-Saga, Difference between Redux-thunk and Redux-saga
Difference between class component and function component
How can we implement componentWillUnmount in function component useEffect,UseState, useMemo.useCallback hooks in Details
Explain lifecycle method in React js
What is difference between export default and export in ReactJs
What is portal in React js
What is reconciliation in React js
What is useRef in React js
What is server side render in React js
What is useStrict in React js
What is fragment in React js
What is react router in React js
What is node module in React js
What is the default localhost server port in react js.
How can we change the local server port
What is high order component in React js
What is pure component in React js
What is difference state and props in React js
How to optimize React js app
What is difference between React js and Angular js
What is prop drilling in React js how to overcome it
What is context api in React js
What is super, constructor, render function in React js