What is React JS
React JS is a JavaScript library for building UI with reusable components. It is an open-source, component-based and front-end library that is responsible only for the view layer of the application. Every part of a web application can be considered as a component. Most of the components are the same in design but different in data. So with React JS, it is quite easy to make our application dynamic and use the same component for all parts. It was developed by Meta(Facebook) and what's app, Instagram and Facebook also developed with React JS.
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