Gain insights into Redux fundamentals, explore application-based problems, and discover how to effectively manage state in React environments with this beginner's guide to state management.

This course is a beginner's gateway into the mechanics of using Redux as an application building platform. It takes a bottom-up approach, enforcing the basic aspects of Redux before incorporating them together in a creative and interactive way. It begins with a short theoretical section before moving on to application based problems. 
The course does assume that the user has a basic idea of how React works, as Redux works in the React environment. Let's dive in!

Understanding Redux: A Beginner's Guide To State Management

We will go into greater details pretty soon, but I’ll keep this short for now. 

When you hear the word, reducer, what comes to your mind?
reduce?

Yeah, that’s what I thought. It sounds like reduce.

Well, according to the Redux official docs:

> **Reducers** are the most important concept in Redux.

Our Cashier is a pretty important person, huh?

So, what’s the deal with the Reducer. What does it do?

In more technical terms, a reducer is also called a reducing function. You may not have noticed, but you probably already use a reducer - if you’re conversant with the `Array.reduce()` method.

Here’s a quick refresher.

Consider the code below.

It is a popular way to get the sum of values in a Javascript Array.

We'll delve into the purpose of the reducer. It takes in two arguments: the STATE of the app and an ACTION. The reducer interprets the action and performs changes to the app accordingly.

Getting to know Redux (Theory)

Your First Redux Application

Understanding State Updates with Actions

Building Skypey: A More Advanced Example

Building Skypey: Designing the State Object

Building Skypey: The User Component

Building Skypey: The Empty Screen

Building Skypey: The Chat Window

Building Skypey: Header and Chat Window

Building Skypey: Messaging

The Skypey App

The Reducer