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 ...

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. Mozilla has released Firefox 15 to its pre-beta Aurora ...

Browsers today are able to execute JavaScript code significantly faster than just a few years ago, but even as our web apps now look more like desktop apps, JavaScript performance is still a far cry ...

Today, Firefox's Nightly channel received a pick me up in the form of its asm.js optimizer known as OdinMonkey. Baked into June's stable release of Firefox 22, this subset of Mozilla's rendering ...

Mozilla is leveraging an impressive new optimization technique to bring a big performance boost to the Firefox JavaScript engine. The code was merged today (but is not yet ready to be enabled by ...

One of the most impressive features in Google's open source Chrome web browser is V8, a high-performance JavaScript virtual machine that was developed by a team of specialists in Denmark. Although ...