With its open source debugger.html tool, launched this week, Mozilla is providing a JavaScript debugger that can debug multiple targets and work in a standalone mode. The effort is part of a plan to ...

A few months ago Mozilla released its WebIDE project to make the browser a complete environment not just for consuming Web apps but for developing and deploying them as well. At the time, though, ...

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Whether you’re a Web designer or a JavaScript programmer, Firebug provides invaluable tools for debugging websites. For Web developers like me, one of the most burning questions is “why does the page ...