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

React.js Interview Questions

Questions Answers Views Company eMail

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

415

How to embed two components in one component?

398

What is flux concept in reactjs?

401

How to use events in reactjs?

376

What are the advantages of using jsx?

419

What are the advantages of using reactjs?

463

How to use forms in reactjs?

410

What are the life cycle of reactjs?

383

When reactjs released?

394

What is current stable version of reactjs?

545

What are state and props in reactjs?

452

What are the feature of reactjs?

568

How to set focus in reactjs?

377

What are the purpose of render() in react?

384

Why do we need a router in reactjs?

372

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Un-Answered Questions { React.js }

What is the use of ‘prop-types’ library?

452

Why is a component constructor called only once?

407

What is React.createClass?

381

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

361

How different is react’s es6 syntax when compared to es5?

444

What can you do with hoc?

385

What is an event in react?

402

What is the difference between shadow dom and virtual dom?

477

What are fragments?

462

How to enable production mode in react?

476

What is the difference between using constructor vs getInitialState in React?

466

Explain about the standard javascript toolchain, transpilation, jsx?

376

What is reactjs-jsx?

381

What is the ‘Store’ feature in Redux?

354

What are the limitations of reactjs?

532

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