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 purpose of render() function in reactjs?

414

What are the controlled components and uncontrolled components in reactjs?

400

What are refs in reactjs? When to use it.

394

What are synthetic events?

369

How is reactjs different from angular and vue js?

460

Explain life cycle of react js component?

349

What is the difference between dom and virtual dom in reactjs?

506

Enlist the advantages and disadvantages of reactjs?

410

Explain the difference between functional and class components.

370

List some features of reactjs?

352

List some advantages of reactjs?

366

What are stateless components in reactjs?

387

How is flux different from redux?

396

What is the difference between state and props in react js?

443

What do you understand by mixin or higher order components in reactjs?

341

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Un-Answered Questions { React.js }

Is react a mvc framework?

383

How can we do server-side rendering in React?

429

How is redux different from flux?

404

How to build the React app for production?

424

Explain the significance of store in redux?

403

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

397

Why is react so popular?

337

How do you create an event in react?

422

What is meant by pooling?

411

What is flux?

368

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

394

State the difference between getIntialState() and constructor()?

356

Explain synthetic event in React js?

401

How to dispatch the data in-store?

433

What is low-level component lifecycle in react.js?

437

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