What is ReactJS?

About ReactJS

ReactJS is a front-end library created by Facebook. It handles the dynamic user interfaces (view layer) for Web and mobile applications and allows developers to create reusable UI components. It is supported by a large community of developers. With ReactJS, you can have very large applications with data that change over time, but without the need to reload the page. The application remains simple, fast and scalable. ReactJS can be used in conjunction with AngularJS and other Javascript libraries and frameworks.

Where is ReactJS used?

Many large applications with frequently updated data and social media channels use ReactJS . Some famous entities that use ReactJS: Airbnb, Facebook, Instagram, BBC, Angie’s List, Bitly, Coursera, Nordstrom, Ralph Lauren, and Salesforce are some of the prominent ones.

ReactJS offers several powerful benefits:
  • ReactJS makes writing Javascript easier – it uses a special syntax called JSX, which combines HTML with JavaScript.
  • Allows you to create your own components that you can reuse, combine and nest.
  • It is very SEO friendly – no trouble with discovery by search engines.
  • It was created by Facebook developers and is simple, with a low learning curve.
  • Using Service Workers, the app can work even when no Internet connection is available. A Service Worker acts as a proxy server and takes the form of a JavaScript file.
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