XML Processing in Ajax, Part 1: Four Approaches

Any programming problem can be solved in multiple right ways. This series looks at four approaches for creating an Asynchronous JavaScript + XML (Ajax) weather badge, a small reusable widget that's easily embedded on any Web page. This first article lays the foundation and examines the first approach--walking the DOM tree.

Pruett, Mark. IBM (2008). Articles>Web Design>XML>Ajax