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.

JavaScript performance is particularly critical for calculation-intensive Web applications and browser-based games. Though recent beta releases of Firefox 4 have revealed significant improvements ...

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 ...

The introduction of a new module to Firefox 9's JavaScript engine will speed up its surfing performance by some margin.

Specifically, new JavaScript technology in this upcoming release makes the open source browser as much as 26 percent faster than Firefox 17, promising a quicker, snappier experience for users.

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 ...

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

Speed tests comparing it to the current Firefox 15 show IonMonkey improves JavaScript performance by 26 percent on Mozilla's Kraken benchmark and 20 percent on Google's V8 benchmark (which, by the ...

Firefox will soon be getting faster thanks to Mozilla's IonMonkey, a new JavaScript just-in-time compiler. IonMonkey is set to arrive early next year, but you can try it today in the Firefox ...

Mozilla on Tuesday shipped Firefox 9, claiming that the new browser processes JavaScript up to 36% faster than its predecessor.

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 ...

Firefox users can expect improved JavaScript performance in the Firefox 83 browser, with the Warp update to the SpiderMonkey JavaScript engine enabled by default.