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React.js Interview Questions
Questions Answers Views Company eMail

How can you spill the reducers?

860

Why is it necessary to capitalize component names?

414

Differentiate between real dom and virtual dom?

339

What is the life cycle of reactjs?

398

What is Reactjs?

366

What is an action in Redux?

380

Can JSX element be attached to other JSX components?

387

What is the difference between React Component and React Element?

459

List down the advantages of react router?

418

Explain React Router

390

What is unidirectional data flow? How does data flow happening in Redux?

402

Explain the use of ‘key’ in react list

418

When was React first released?

407

Explain the term stateless components

358

Explain strict mode

379


Post New React.js Questions

Un-Answered Questions { React.js }

Explain about the standard javascript toolchain, transpilation, jsx?

376


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

368


What are the component life cycle methods in reactjs?

455


What is the ‘Store’ feature in Redux?

354


Name two types of React component?

427


What is the purpose of using bindActionsCreators?

383


How arrow functions are used?

357


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

356


List some of the cases when you should use refs?

333


What is the difference between a function in setState or passing an object?

378


How are actions defined in redux?

444


What are the methods called when component is created or while inserting it to dom?

358


What is redux and flux?

392


What is React.createClass?

381


How would you create higher order components (hocs) in react.js?

367