Let’s say you have a Todo app, with a model Todo that has a string title, and a boolean field, completed. We are going to use Stimulus to update our model remotely on the server when we check off the todo. And we’re going to use a nifty JavaScript API called fetch() to make it all happen. https://onrails.blog/2020/11/09/updated-tutorial-how-do-i-update-my-model-from-a-checkbox/