If you&apos;ve used <a href="http://www.getfirebug.com">Firebug</a>, you now how useful a tool it can be in helping you debug your JavaScript & Ajax applications. Irregardless of which library you&apos;re using for Ajax development, Firebug is a tool everyone should have in their arsenal. This video gives a nice intro into Joe Hewitt&apos;s awesome tool.


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