JavascriptHelper–Managing JS files for ASP.NET MVC

If some part of an ASP.NET MVC page, say a helper or partial page, needs a particular JavaScript file, there's not easy way to manage them. Wouldn't it be great if there was a way to automatically figure out just the files we need for a certain page, and include just those, without us having to do a lot of thinking about it. Isn’t that the type of thing we invented computers for?