ONLamp.com -- Using REST with Ajax: "Using REST with Ajax
by Nic Ferrier
This article shows how to use Ajax techniques to make web apps with REST APIs.
Everyone's talking about REST these days. Lots of people are still struggling with it, and there's good reason for that--REST is actually quite difficult to fit into the browser-based HTML Web, for two reasons:
1. Current HTML forms support only GET and POST, not PUT or DELETE
2. HTML forms always involve a page change"