Learn the basics of ES6 and React. I assume that you know nothing about React. My goal is to teach you React without requiring any setup or tools. All code samples can be executed in the Browser. The course begins by giving you an overview of ES6. We then begin creating basic components in React, then continue to enhance them. The final example is an interactive web page with multiple stateful components interacting with each other on user actions.

React JS & ES6 for JavaScript beginners

I assume that you are familiar with JQuery but don't worry if you are not (our JQuery example is the most basic one so even if you only know JS, you'll be able to understand it). 

In this lesson, we will examine two HelloWorld programs - one written in JQuery and other written in React. We'll compare the setup as well as the actual code needed to create a HelloWorld program using both approaches. So let's dive right in! 
 
# JQuery vs React Setup
## Setting up JQuery
To setup jquery we need ... only jquery!

## Setting up React
To setup React, we need three scripts. Let's look at each one of them.

React was recently splitted into two packages. The reason for the split is that React now targets multiple platforms and browser just happens to be one of them (e.g. React Native is for developing mobile applications). 

After the split, React has a core library that's called **react**. Browser specific stuff moved into to a new libary called **react-dom**. So we'll include these two libraries.

React also has a feature that lets you write HTML in Javascript and it's called **JSX**. It may seem a little weird and counter-intuitive but stay with me and I'll show you why it's a great feature.

Browsers obviously cannot understand JSX so we use a transpiler that converts JSX into Javascript code. This transpiler is called **Babel**. We'll need to use Babel as well.

To summarize, we'll use the following three libraries to setup React.
1. react (react core).
2. react-dom (browser specific stuff).
3. Babel (transpiler that coverts JSX to JS).

Hello World