I am learning to code in React, a JavaScript language for web development.
Yes; ReactJS is a popular Java Script to learn.  Facebook and Instagram use this style of Java Script.  What are you thinking that you might do with such skills?
I want to start my own social media website. I want to innovate and introduce new features.
Then you are heading down the right track.  React processes user interfaces only!  So, a social media website would be perfect.  Do you have a name yet for your site, or is that top secret?
Still on the drawing board for that. Maybe something like Snapbook.
libraries for state management, routing, and interaction with an API.
History.
React was created by Jordan Walke, a software engineer at Facebook, who released an early prototype of React called "FaxJS". He was influenced by XHP, an HTML component framework for PHP. It was first deployed on Facebook's News Feed in 2011 and later on Instagram in 2012. It was open-sourced at JSConf US in May 2013.
React Native, which enables native Android, iOS, and UWP development with
on heating."
- "Everybody should design their own home. I'm against architects designing homes. How do I know that you want to live in a picture-window Colonial? It's silly, but you might want to. Who am I to say?"
- "Architecture is the arrangement of space for excitement".
- "Storms in this house (The Glass House) are horrendous but thrilling. Glass shatters. Danger is one of the greatest things to use in architecture."