First, you'll see the trick performed in real life. Then, you'll learn how to code it from scratch and deploy it using Heroku. This is a fun card trick you can perform for your friends. And the tutorial may even give you some ideas to create your own magic tricks.
This trick is a great use for the freeCodeCamp.org Programer Playing Cards!
You can watch the full video tutorial on the freeCodeCamp.org YouTube channel (30 minute watch).