Behind the Scenes: Rails UJS

Rails UJS (Unobtrusive JavaScript) is the JavaScript library that helps Rails do its magic when we use options like remote: true for many of the html helpers.In this article I'll try to explain the main concept of how this works to make it transparent for the user. Knowing a bit about the inner workings can help when debugging issues and also if we need to do something more complex than the provided interactions but reusing what's provided.