Code4Startup- ReactJS for Newbies

This is a great tutorial for people new to React and looking for a simple and easy to understand introduction:

Several things to note about this tutorial:

  1. Grabbing the CDN links off the React website will not work with this tutorial. You must use the versions that Leo uses:
      <!-- The core React library -->
      <!-- The ReactDOM Library -->
  2. If you want to use Codepen to store the code, you must select Babel in the Settings as the JavaScript Preprocessor. Add the External JavaScript links in #1 and you’ll be all set!

My Pen: