What Prototype offers is a way to emulate a classlike behavior
can be cumbersome when you’re trying to access several elements in a
page and have to get each one using something like
getElementById. However, as has been noted
frequently, Prototype also hides many of the underlying mechanisms,
which can make reading any code that uses the library
with Prototype. Luckily, this won’t include you after the following
That’s it (assuming you put the prototype.js file on your server). You’re now ready to use Prototype functions in your own applications. ...