React.js Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

React.js Interview Questions

Questions Answers Views Company eMail

What is the ‘Store’ feature in Redux?

1 447

How to dispatch the data in-store?

1 501

What is the use of React.Children.map(props.children, () => )?

1 479

List down some of the methods in a react-dom package

1 453

What are the popular animation package in React ecosystem?

1 506

How can we do server-side rendering in React?

1 497

Can you update props in react?

1 514

What is Babel in React js?

1 469

What is the purpose of callback function as an argument of setstate()?

1 511

How to build the React app for production?

1 498

What is ComponentWillMount()?

1 621

Explain react hooks?

1 464

What is the difference between shadow dom and virtual dom?

1 575

Explain error boundaries?

1 465

List some of the major advantages of react?

1 486

Un-Answered Questions { React.js }

How to use events in reactjs? Give an example of using events?

565

How would you create higher order components (hocs) in react.js?

448

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