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

React.js Interview Questions

Questions Answers Views Company eMail

State the difference between Real DOM and Virtual DOM?

399

Name the important features of React

407

What is Flux Concept In React?

446

Explain the term synthetic events?

574

Explain the term ‘Restructuring.’

397

How will be you able to handle more action using redux?

422

What is inline conditional expressions?

504

Name out an important feature of Redux workflow features

429

does reactjs use html?

404

What is React.cloneElement? And the difference with this.props.children?

421

What is lifting state up in react?

414

What are children prop?

400

When should you use the top-class elements for the function element?

425

why can’t browsers read jsx?

415

What is refs?

533

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Un-Answered Questions { React.js }

What are state and props in reactjs? What is the difference between the two?

483

How do you tell react to build in production mode and what will that do?

464

What are the differentiate between stateful and stateless components?

488

What is uncontrollable component in reactjs?

438

What is the difference between stateful and stateless components.

523

Explain error boundaries?

423

How is reactjs different from angular and vue js?

495

Please explain step by step approach on how to setup environment for reactjs?

404

What is reactjs-jsx? What are the advantages of using jsx?

444

What is a router in react.js?

424

What is the difference between reactjs and angularjs?

419

Explain life cycle of react js component?

382

How to install react js on your local machine?

482

What is the virtual dom, and a pragmatic overview of how react renders it to the dom in react.js?

412

How to update the state of the component in reactjs?

427

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