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 React?

385

How React works? How Virtual-DOM works in React?

479

What are the pros and cons of using React?

385

What is JSX?

357

What is React.createClass?

385

What is React.createElement?

420

What is ReactDOM and what is the difference between ReactDOM and React?

469

What is the difference between a Presentational component and a Container component?

417

What are the differences between a class component and functional component?

407

What is the difference between state and props?

405

Name the different React lifecycle methods.

449

Where in a React component should you make an AJAX request?

508

What are controlled components?

367

What are refs used for in React?

377

What is a higher order component?

380

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Un-Answered Questions { React.js }

How to use forms in reactjs?

413

What is Context?

377

List some advantages of reactjs?

368

What are the purpose of render() in react?

384

How reactjs framework is different as compared to others?

379

What is the difference between dom and virtual dom in reactjs?

506

What is the lifecycle methods order in mounting?

372

How is redux different from flux?

404

Explain the major advantages of react.

376

What are the major issues of using MVC architecture in React?

509

How do you do type check in ReactJS?

451

What is component in reactjs?

486

Explain the term reconciliation?

359

Explain the significance of store in redux?

404

What are features of react.js?

379

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