Debugging
JavaScript​
You can use your browser's developer tools.
Ruby (Rails application)​
Below are two options for "live"-debugging Ruby code (i.e., while the application is running).
Pry​
Install pry and set binding.pry breakpoints to debug your Ruby code. Pry should work independently of your IDE.
Visual Studio Code​
If you're using the Visual Studio Code IDE, you can use it's visual / GUI debugger. The configuration depends on your local setup, however, these instructions could help you get started.
In case debugging doesn't work yet, have a look at the following resources to fine-tune your configuration: