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 ...

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 announced today the release of Firefox 15, a new version of the open source Web browser. The update brings a number of noteworthy enhancements, including new built-in development tools and ...

Memory usage when using add-ons or continuing browsing for a long time was greatly reduced, and it was possible to view PDF directly with PDF viewer implemented with HTML 5 and JavaScriptFirefox ...