It's true we include Intercooler.js and jQuery in our web app. What I meant is that as developers working on our web app, we don't need to write JS to implement new features. All of the logic happens in the Django codebase.
That's right, check out https://intercoolerjs.org/docs.html for a primer on how it works. Interactions and AJAX requests are declared using HTML attributes, the responses are server-rendered and swapped on the frontend.