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

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 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.

The Developer Command Line is integrated into Firefox's new Developer Toolbar, which also gives users quick access to Firefox's integrated Web console, JavaScript debugger, and page element ...

OdinMonkey, Firefox’s name for its asm.js optimization module, allows developers to write their code in C or C++, compile it to JavaScript using Emscripten and run it at a speed that is within ...

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

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 ...

Firefox 15 arrives, supports compressed textures for impressive 3D gaming The new version also significantly reduces the memory overhead of leaky add-ons.

There’s also a new JavaScript Debugger that developers can use over a local network to remotely debug apps running on Firefox for Android, for example.