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 the ‘Store’ feature in Redux?

399

How to dispatch the data in-store?

466

What is the use of React.Children.map(props.children, () => )?

426

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

393

What are the popular animation package in React ecosystem?

445

How can we do server-side rendering in React?

463

Can you update props in react?

473

What is Babel in React js?

428

What is the purpose of callback function as an argument of setstate()?

470

How to build the React app for production?

457

What is ComponentWillMount()?

573

Explain react hooks?

427

What is the difference between shadow dom and virtual dom?

512

Explain error boundaries?

426

List some of the major advantages of react?

448

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Un-Answered Questions { React.js }

How to dispatch the data in-store?

466

What are the popular packages for animation?

492

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

459

How to use events in reactjs?

417

Is react a mvc framework?

422

Do you think reactjs has any limitations? If so, tell a few?

462

How is react different from angular?

455

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

528

What is the main difference between createElement and cloneElment?

453

What is the reduction?

370

What are the methods called when state or props of the component is changed?

432

Explain the significance of keys in react?

405

What are components in reactjs?

419

How can I make an AJAX call?

482

What are the components in flux architecture?

428

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