Getting started - REACT js

react js are a set of .js libraries which could be included as a part of your code.

reference video: https://www.youtube.com/watch?v=A71aqufiNtQ
to get started:

• download and install node js. 
• Once done, the installation needs to be used to install npm. Open the "Node js command prompt" and  install npm by follwoing the commands below, as in the link: https://facebook.github.io/react/docs/installation.html 
• npm install -g create-react-app (Enter)
• create-react-app my-app (Enter)
• my-app, is the name of your new react project. You could give anything you wish.
• Now navigate to your new react project folder using the command below:
• cd my-app(Enter)
• start npm(Enter)
• The app will start and open the configured webpage , with url, http://localhost:3000/
• download and install atom editor. Open your new React folder in Atom.
• Have a look into the package.json file. It constitutes of all the project version and configurations