The Firefox Nightly beta makes these calls run faster than non-in-lined JavaScript-to-JavaScript function calls. Calls have been optimized from JavaScript to WebAssembly and vice versa.

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 ...

JavaScript creator and Mozilla CTO Brendan Eich ran the SunSpider JavaScript benchmarks against Chrome and the latest TraceMonkey-enabled Firefox build, which includes some recent improvements.

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 ...

Firefox's new Scratchpad is different from Firefox's other JavaScript dev tools in that it is just, as the Mozilla Blog puts it, "a text editor that knows how to run JavaScript." Scratchpad gets ...

Mozilla developer Paul Rouget's "JSTerm" add-on makes Firefox's new built-in developer tools even more powerful for JavaScript coders.

In the case of Firefox 9, the type inference engine seems to produce up to 30% faster JavaScript execution. It varies from benchmark to benchmark, but the performance improvement is unmistakable.

Firefox's graphics and JavaScript performance should improve with new Mozilla projects. Don't expect results by Firefox 5's June release, though.

Mozilla on Wednesday patched a single critical security vulnerability in the JavaScript engine of Firefox, updating the open-source browser to Version 2.0.0.14. According to the associated ...

Andreas Gal, an engineer who helped speed up the Firefox browser at a crucial moment and then helped launch the Firefox OS project, has been promoted to Mozilla's new chief technology officer.

Thursday marked yet another chapter in the short, rocky history of Mozilla's Firefox 3.5 browser, as the foundation released a security update a little more than two weeks after unveiling it ...