adspace


React.js Interview Questions
Questions Answers Views Company eMail

What can you do with hoc?

1 466

What is the use of a super keyword in React?

1 469

State the main difference between Pros and State?

1 559

How Virtual-DOM is more efficient than Dirty checking?

1 529

Explain the use of the arrow function in React

1 501

What is meant by callback function? What is its purpose?

1 470

What are controlled and uncontrolled components in React?

1 442

Is setState() is async? Why is setState() in React Async instead of Sync?

1 489

Explain yield catchphrase in JavaScript

1 472

What is an Action? How do you describe an Action?

1 602

What kind of information controls a segment in React?

1 764

What is the difference between using constructor vs getInitialState in React?

1 563

How can you update state in react js?

1 545

Explain pure components in React js?

1 464

What is one of the core types in react?

1 511


Post New React.js Questions

Un-Answered Questions { React.js }

How would you create higher order components (hocs) in react.js?

448


How to use events in reactjs? Give an example of using events?

565