Summary
Following our examination of the prototype.js library in the Lesson 19, this lesson moved on to experiment with Rico. Rico is an open source framework based on prototype.js that offers a simple way to integrate Ajax, along with drag-and-drop and other visual effects, into user interface designs.
Finally, in Lesson 21, "Using XOAD," we will look into an Ajax framework that uses an alternative approachthe server-side, PHP-based XOAD.