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

React.js Interview Questions

Questions Answers Views Company eMail

Explain what is CSS-in-JS pattern?

438

What is the difference between super() and super(props)?

491

Is it possible in React to call the Child method from Parent?

434

Can a developer create animations in React?

452

How can I make an AJAX call?

482

What is React.PropTypes?

495

Name two types of React component?

472

What are Props in react js?

456

What a setState is doing?

533

What is the difference between a function in setState or passing an object?

410

Can you force a React component to rerender without calling setState?

427

What is Redux Thunk used for?

437

Difference between constructor and getInitialState ?

441

Do you need to use ES6 (+) with React?

455

What is React State?

502

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Un-Answered Questions { React.js }

What do you understand by refs in react?

396

What is the component lifecycle in reactjs?

482

What is the significance of store in redux?

436

Explain error boundaries?

423

Differentiate between stateful and stateless components?

412

How arrow functions are used?

394

What is one of the core types in react?

442

What is react intl?

655

What is the difference between stateful and stateless components.

523

What is Flux Concept In React?

446

What is the life cycle of reactjs?

426

What are arrow functions?

399

What are the component life cycle methods in reactjs?

497

What are the advantages of react router.

397

How can I make an AJAX call?

482

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