Watch Out for Undefined State.

Tutorial by Dave Ceddia

This tutorial aims to give you some tips on how you can avoid an undefined state in your component working with async calls

Related resources

What's new in React 16.3(.0-alpha)

React 16.3-alpha just hit npmjs and can be downloaded and added to your project. What are the biggest, most interesting changes? [continue]

Article by Bartosz Szczeciński