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?

354

How to dispatch the data in-store?

433

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

394

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

368

What are the popular animation package in React ecosystem?

418

How can we do server-side rendering in React?

429

Can you update props in react?

429

What is Babel in React js?

389

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

437

How to build the React app for production?

424

What is ComponentWillMount()?

530

Explain react hooks?

371

What is the difference between shadow dom and virtual dom?

477

Explain error boundaries?

383

List some of the major advantages of react?

409

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Un-Answered Questions { React.js }

What are the advantages and disadvantages of using react components?

463

What is the difference between createelement and cloneelement?

459

What are the purpose of render() in react?

384

How arrow functions are used?

357

What can be done when there is more than one line of expression?

488

What is the difference between stateless and stateful component?

430

What are the advantages of redux?

412

Why reactjs is used?

372

What is the difference between setstate() and forceupdate()?

377

How to use forms in reactjs?

410

Give an example of both stateless and stateful components with source code?

415

What is the significance of keys in react?

551

Explain the use of the arrow function in React

404

What are the limitations of reactjs?

532

What are the major issues of using MVC architecture in React?

508

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