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 are portals in react?

477

How are actions defined in redux?

444

List down the components of redux?

436

What are the popular packages for animation?

454

Why you can’t update props in react?

405

How can we find the version of react at runtime in the browser?

610

What is the purpose of push() and replace() methods of history?

426

What is the use of react-dom package?

415

What are the different phases of react component’s lifecycle?

565

What are fragments?

462

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

511

Explain the lifecycle methods of react components in detail?

420

What is the recommended way for naming components?

384

What are the popular react-specific linters?

374

How to enable production mode in react?

476

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Un-Answered Questions { React.js }

What is inline conditional expressions?

461

What is repository url of reactjs?

406

What is import in react?

395

How to use forms in reactjs?

410

What is ‘create-react-app’?

388

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

452

What's the difference between super() and super(props) in React when using ES6 classes?

499

What are the advantages of react router.

366

What is the difference between angularjs vs react.js?

492

What are children prop?

365

Explain the components of Redux?

422

Differentiate between real dom and virtual dom?

339

How to enable production mode in react?

476

Show how the data flows through redux?

367

what are the limitations of react?

549

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