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?

509

How are actions defined in redux?

481

List down the components of redux?

470

What are the popular packages for animation?

492

Why you can’t update props in react?

454

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

663

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

459

What is the use of react-dom package?

452

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

635

What are fragments?

495

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

542

Explain the lifecycle methods of react components in detail?

469

What is the recommended way for naming components?

422

What are the popular react-specific linters?

412

How to enable production mode in react?

511

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Un-Answered Questions { React.js }

Which is best react or angular?

397

What is SyntheticEvent?

413

Explain flux?

493

How do you modularize code in react?

436

What is the difference between flux vs mvc?

477

What are refs in reactjs?

418

What is the ‘Store’ feature in Redux?

399

How to set up routing in reactjs?

461

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

423

Give an example of using events?

415

How to dispatch the data in-store?

466

What are the components of redux.

405

What is React.PropTypes?

497

What do you understand from “in react, everything is a component.”

412

What is the purpose of using bindActionsCreators?

419

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