Simple Ajax property toggle in Rails 3.0

Entry-level overview of one way to add trivial Ajax functionality to a Rails 3.0 app, originally written for a specific audience. The repository is on github.



Let's say we have an Article model with an "approved" flag. We need to be able to toggle this flag. Normal scaffolding would have us view the article, click a checkbox, and submit. We'll keep that functionality, but add a simple