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?

366

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 }

What is the recommended way for naming components?

384

What are the benefits of using react.js?

454

When reactjs released?

393

Explain the purpose of render() in react.

387

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

415

What are the purpose of render() in react?

384

What is the differnece between real dom and virtual dom?

381

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

355

Enlist the advantages and disadvantages of reactjs?

410

Explain the term reconciliation?

358

What is the life cycle of reactjs?

398

Explain the limitations of react?

366

What is the use of arrow function in reactjs?

402

Explain step by step approach on how to setup environment for reactjs?

356

Explain various flux elements including action, dispatcher, store and view. Give a simple practical example of installing and using flux in an application?

356

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