Even the newest browsers can create a hostile environment for developers. Today's AJAX applications create dynamic HTML you won't see with View Source. CSS is harder than it looks. XmlHttpRequests arehappening in the background. Firebug is currently the developer's choice for debugging web sites and today's more powerful web applications. It goes much deeper than logging your messages and avoiding the use of alert(). In the Firebug Smackdown you have a ring side seat to witness a series of lightning rounds where Mike Wilcox and Bob Byron go head to head. They will take turns battling each other with their large repertoire of debugging and development; covering all sections of Firebug: Console,HTML, CSS, Script, DOM, Net, and more!