The React project originated at Facebook; the open source project has a BSD license and a patent rights grant from Facebook. React is not an end-to-end JavaScript application framework.

For all the awesomeness that React brings to the table, getting started with it is not the most straightforward process. It has a steep learning curve filled with many small and big hurdles. Here ...

React was originally a project built at Facebook to manage its ads. Now it's used by Pinterest, Twitter, Asana, Uber, and more. Here's how it started.