Learn the key concepts behind React and how to use JSX elements and components to build lean and fast web front ends React, also known as ReactJS, is an open source JavaScript library for building ...

React Native allows developers to build cross-platform apps for iOS, Android, and the Web from a single JavaScript codebase.

But I dove in anyway. I managed to get through the basic Facebook tutorial and some others and got some React Native apps running, but it was quite a challenging experience and I didn't feel ...