Mozilla today announced the Firefox OS App Manager, a new developer tool that will ship with Firefox 26. It is designed to help developers build and debug Firefox OS apps, either in the Simulator or ...

The Firebug web development tool, an open source add-on to the Firefox browser, is being discontinued after 12 years, replaced by Firefox Developer Tools. Firebug will be dropped with next month’s ...

Mozilla is testing a new feature in Firefox called Time Travel Debugging. The feature is aimed at developers and is currently only available in the latest version of Firefox Nightly for Mac. The new ...

Mozilla is a company that cares a lot about developers - especially those who make the Web a better, more exciting place. Over the years, the company's done much to aide developers who work towards ...

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, ...

Mozilla has released Firefox 16, which gives web developers several cool new tools for building and debugging websites. Current Firefox users will get the update the next time Firefox restarts. If you ...

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 ...

Mozilla and Google have updated their browsers with features to help developers more effectively write and debug their websites. With Tuesday’s release of Firefox 23, Mozilla has introduced a number ...

It's the bane of every web developer's existence – tracking down and diagnosing bugs in the myriad of different web browsers available. There are some incredibly helpful tools out there, but most are ...