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 difference between function based component and class based component?

384

What can you do if the expression contains more than one line?

316

Why are browsers unable to read jsx?

366

What is the difference between stateless and stateful component?

381

What are the key benefits of reactjs development?

367

How to install react js on your local machine?

398

What is a state in react and how is it used?

368

What is the component lifecycle in reactjs?

385

What is the difference between element and component?

515

What is flux?

320

Is it possible to use the word class in jsx?

291

How arrow functions are used?

322

What is import in react?

359

In what cases would you use a class component over a functional component?

306

What are class based component?

337

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Un-Answered Questions { React.js }

How to apply validation on props in reactjs?

407

Give me two most significant drawbacks of React?

322

What are state and props in reactjs?

406

What is the main goal of react fiber?

314

How do you pass data from child to parent component?

366

Explain the features of react?

331

What is React.createClass?

336

When should you use the top-class elements for the function element?

344

Why react js is faster?

324

What is React State?

417

What is jest?

384

What are react component lifecycle methods?

391

What is JSX?

323

Can JSX element be attached to other JSX components?

350

What are the purpose of render() in react?

338

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