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Introduction

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Introduction

React Js is a javascript library used to create stateful, responsive, and single-page web applications.
React Js is developed and maintained by a team of developers at meta.
It is a free and open-source library.

Properties of React JS

Declarative - React helps in creating interactive UI. React helps in updating and rendering component changes with any changes in data.
Component-Based - React Js works completely on components. Components are basically a set of functions and classes which consist of UI elements and can pass data to our web application.
Learn Once, Write Anywhere - React Allows the addition of new features. React can also be deployed on the server using Node Js.

Advantages of Using React JS

Virtual DOM.
Reusable components.
Community.
SEO Friendliness.
Easier to Learn.
One Way data flow.
Redux Support.

Disadvantages of Using React JS

Lack of Proper Documentation.
Development Speed.
JSX.

Companies Using React JS

Dropbox
Instagram
Airbnb
Discord
Walmart.
Skype.

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