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 ...

Mozilla has launched Firefox 77 with faster JavaScript debugging, optional permissions for extensions, and Pocket recommendations in the U.K.

Mozilla began migrating Firebug features to the built-in Firefox debugging tools in 2016. Core Firefox developer tools include a page inspector, web console, JavaScript debugger, and network monitor.

Mozilla has released Firefox 18 beta for Windows, Mac, and Linux. New features include faster JavaScript compiling via IonMonkey and Retina Display support.

Perhaps the biggest change in Firefox 15 is that it ships with a debugger that developers can use to find issues with their JavaScript code. The debugger is available via the Web Developer menu.

Mozilla has just rolled out OdinMonkey, a new module for Firefox's JavaScript engine that promises to speed up JavaScript execution beyond your wildest dreams. If you were drawn to Chrome because ...