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’s JavaScript team is on a mission to renovate the JavaScript engine for the upcoming major release of Firefox. When version 3.5 landed with major JS performance upgrades including the ...