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?

400

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

448

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

397

Can a developer create animations in React?

412

How can I make an AJAX call?

437

What is React.PropTypes?

450

Name two types of React component?

421

What are Props in react js?

410

What a setState is doing?

490

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

374

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

385

What is Redux Thunk used for?

388

Difference between constructor and getInitialState ?

399

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

411

What is React State?

456

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Un-Answered Questions { React.js }

Have you used html while working with react.js?

365

How do you create an event in react?

415

What is the component lifecycle in reactjs?

434

What is one of the core types in react?

397

What is arrow function in react?

429

What are refs in reactjs? When to use it.

389

When would you use a class component over a functional component?

388

Explain the significance of store in redux?

400

Explain the advantages of redux?

355

What is jest?

425

What are the popular react-specific linters?

369

What is lazy loading react?

405

What are synthetic events?

355

Explain the components of Redux?

416

Is react a mvc framework?

377

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