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

React.js Interview Questions

Questions Answers Views Company eMail

How is react.js different from other javascript frameworks?

478

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

419

What is the difference between flux vs mvc?

477

How to use forms in reactjs? Give an example of using forms in reactjs by developing a user registration form?

400

What kind of tools might you use in the build steps to optimize the compiled output of the react code?

569

What are the benefits of using react.js?

508

What are react component lifecycle methods?

495

When would you use setstate() and forceupdate()?

366

What are the advantages and disadvantages of using react components?

504

How to set up routing in reactjs?

462

How might react handle or restrict props to certain types, or require certain props to exist?

446

What is the difference between various react component lifecycle methods?

488

What is redux and flux? When do you use them?

438

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

390

Have you used html while working with react.js?

408

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Un-Answered Questions { React.js }

What are the lifecycle steps of React?

479

what is the usage of refs and keys used in react?

483

Does React use HTML?

492

What is the differnece between real dom and virtual dom?

433

Enlist the advantages and disadvantages of reactjs?

439

What are controlled components?

405

What is one of the core types in react?

442

Which feature can we use to cause a component to render only when its id changes?

580

Why do you need to use props.children?

400

Explain life cycle of react js component?

382

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

453

List some advantages of reactjs?

396

What are the advantages of redux?

451

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

387

Explain the advantages of redux?

386

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