What is React flux?

In theory you don’t need flux . In small applications you don’t need flux for sure.

Flux is an application architecture that Facebook uses internally for building the client-side web application with React . It is not a library nor a framework. It is neither a library nor a framework.

Flux is a Javascript architecture or pattern for UI which runs on a unidirectional data flow and has a centralized dispatcher. It is useful when your project has dynamic data and you need to keep the data updated in an effective manner . It was created by Facebook, and complements React as view.