An anonymous reader writes with a quick bite from The Next Web about the latest Firefox beta, this time featuring some under-the-hood improvements:"Mozilla on Monday announced the release of Firefox 18 beta for Windows, Mac, and Linux. You can download it now from Mozilla.org/Firefox/Beta. The biggest addition in this update is significant JavaScript improvements, courtesy of Mozilla's new JavaScript JIT compiler called IonMonkey. The company promises the performance bump should be noticeable whenever Firefox is displaying Web apps, games, and other JavaScript-heavy pages."

http://news.slashdot.org/story/12/11...ascript-engine