Chapter 4 Debugging and Profiling with Firebug
Two things are inevitable in software development: bugs, and more bugs. Unfortunately, JavaScript development is no exception to this rule!
Front-end developers need tools to help them squash those bugs, and one such tool, Firebug, has in a very short time become almost ubiquitous within the JavaScript development community—it’s now quite possibly the most popular JavaScript development tool out there. Firebug is a free, open source project that works as a plugin for the Firefox browser. Its creator, Joe Hewitt, was one of the co-founders of the Firefox project.
Firebug, as its name implies, is a debugger in the traditional sense—it lets you pause program execution, step through your code ...
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