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 jsx and how jsx can help applications in react.js?

514

How react router and its techniques differ from more traditional javascript routers like backbone’s router?

557

What are features of react.js?

367

Show how the data flows through redux?

357

How are forms created in react?

395

Differentiate between states and props.

396

Explain the purpose of render() in react.

378

What do you understand by refs in react?

354

How can you embed two or more components into one?

360

How do you modularize code in react?

385

How can you update the state of a component?

356

What do you understand by virtual dom? Explain its working.

329

What is arrow function in react? How is it used?

411

What do you understand from “in react, everything is a component.”

373

How different is react’s es6 syntax when compared to es5?

432

Post New React.js Questions

Un-Answered Questions { React.js }

How to use loop in reactjs?

445

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

448

What is an event in react?

399

What is the difference between element and component?

569

What is flux in react.js?

455

How can we do server-side rendering in React?

421

How to set state with a dynamic key name?

421

What are controlled components?

354

What is controllable component in reactjs?

394

State the difference between getIntialState() and constructor()?

331

What is the difference between state and props in react js?

439

What are the advantages of react router.

358

How is react different from angular?

411

What is a state in react?

400

What is the main goal of react fiber?

353

For More Un-Answered { React.js } Questions Click Here