REACTJS INTERVIEW QUESTIONS

1. What is the reaction?

Reply:

React is a JavaScript library used to build the user interface. React J is used as the basis for a single web page or mobile application. It works on the optical layer of an application.

2. What is JSX?

Reply:

JSX is a simple JavaScript that allows HTML syntax and other HTML tags in the code. The HTML syntax response framework requires Javascript calls to be processed.

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Let's move on to the following questions from the ReactJs interview

What is the flow in React JS?

Reply:

Flux React is an application architecture from the View library designed by Facebook to create a data layer in JavaScript-based applications.

Prop. What do you mean by accessories and been in response?

Reply:

These are the basic questions of the ReactJs interview asked in an interview. Props refers to the properties of the argument that are passed to the JavaScript function. A state used to create dynamic and interactive elements.

5. What are the reactions?

Reply:

For Focus Management, we use shooting animation to refactor. It also includes third party libraries.

6. What is the difference between React JS and Angular JS?

Reply:

React J and Angular J are a very powerful and diverse approach to frontend web applications. It is compatible with all applications of small and medium and large companies. ReactJs applications, on the one hand, are SEO friendly, easy and easy to understand, and on the other hand, Conner Js applications are easy to build and support a variety of tests.

7. How is the flow different from the root?

Reply:

Flux is a container for the state and logic of the application, while Redux is a container for JavaScript applications.

Let's move on to the following questions from the ReactJs interview

8. What is a practical component of your reaction?

Reply:

Functional components are the components that react to the elements as a factor.

9. What do you mean by reacting to routing?

Reply:

The writing action will include only one HTML page.

10. What is the Redox component?

Reply:

Action, Reducer, Store, View are Redux components.

Part 2 e Questions from the Riaz J interview (Advanced)

Now let's take a look at the advanced questions in the ReactJs interview.

11. What are the life cycle methods of reactive components in detail?

Reply:

The most important life forms are given below.

Valmount ingredients ()

Component History ()

Ingredients Wool Recipes ()

shouldCompenderUpdate ()

The component will choose ()

What is the biology of Ray J Kit J?

Reply:

Initially, state / property updates, live catastrophic reactions.

Let's move on to the following questions from the ReactJs interview

13. What are the benefits of React J?

Reply:

The efficiency of the application will be improved.

It can be used by both the client and the server.

The JSX code will be reliable or reliable.

The test will be easy.

14. Why do we use ReactJs?

Reply:

These are frequent questions from ReactJs interviews in interviews. We use React to handle the Wave part of the mobile application.

15. Which company developed this reaction and when was the first release?

Reply:

Facebook is the developer of React and the first release was in March 2013.

16. What is a stable version of React J?

Reply:

Version: 15.5

17. What is the main difference between profession and state?

Reply:

The main difference is: the state is variable and the profession is immutable.

Let's move on to the following questions from the ReactJs interview

18. When do you use the class component as a function component?

Reply:

We will use the class component when its component takes over the state or life cycle.