This is a little JavaScript app I created following the tutorial by WebDev Simplified. It's a fully-working calculator app that can perform all the basic functions such as addition, substraction, multiplication, and division.
The app is using object-oriented programming.
You can watch the full tutorial here:
https://www.youtube.com/watch?v=j59qQ7YWLxw
$ git clone https://github.com/pyslarash/calculator.git