Are you familiar with the React functionality of Javascript library? I use it to create websites. 
No but it is probably popular seeing as it is maintained by Facebook and Instagram.
I see, I bet they receive a lot of investment income from those two media giants.
React, was announced at Facebook's React Conf in February 2015 and open-sourced in March 2015.
On April 18, 2017, Facebook announced React Fiber, a new core algorithm of React framework library for building user interfaces. React Fiber was to become the foundation of any future improvements and feature development of the React framework.
On April 19, 2017, React 360 V1.0.0 was released to the public. This allowed developers with React experience to jump into virtual reality development.
On September 26, 2017,
layers, from the database to the templates, update themselves automatically when necessary. Ecosystem packages such as "Server Side Rendering" address the problem of Search Engine Optimization.
- React (sometimes styled React.js or ReactJS) is a JavaScript library for building user interfaces. It is maintained by Facebook, Instagram and a community of individual developers and corporations. React uses a new language which is a mix of JS and HTML (a subset of HTML). Several companies use React with Redux (JavaScript library) which adds state