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 an event in react?

443

What are the lifecycle methods going to be deprecated in react v16?

423

How do you tell react to build in production mode and what will that do?

464

How to use https instead of http in create-react-app?

485

How events are different in react?

472

What is react intl?

655

What are the three principles that redux follows?

427

What do you understand by “single source of truth”?

402

What is the significance of keys in react?

590

What are pure components?

388

What is arrow function in react?

473

How react router is different from history library?

549

Is it possible to use async/await in plain react?

406

Differentiate between stateful and stateless components?

412

What were the major problems with mvc framework?

504

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Un-Answered Questions { React.js }

What is a higher order component?

414

what are the limitations of react?

587

What is the use of react-dom package?

452

List some features of reactjs?

379

Why reactjs is used?

409

How do you apply vendor prefixes to inline styles in react?

542

What is the use of Webpack?

408

What is reactjs-jsx? What are the advantages of using jsx?

444

What is the purpose of render() in react?

439

Explain yield catchphrase in JavaScript

432

What are state and props in reactjs? What is the difference between the two?

483

How to set up routing in reactjs. Explain with the help of step by step approach?

381

Why is react so popular?

372

Explain the purpose of render() in react.

417

Explain the significance of store in redux?

431

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