There are several additional choices to make: how to configure and invoke the Babel compiler that turns JSX into plain JavaScript; whether and how to bundle your JavaScript with a tool such as ...

An experimental new JavaScript compiler could provide useful lessons for the existing crop of JavaScript engines — or for as-yet-undeveloped JIT (just-in-time) compilers for other languages.

Google says its new JavaScript compiler saves 17 years of Chrome users' CPU time each day. It should also benefit all Chromium browsers that use it.

The new JavaScript compiler made its debut in the nightly releases of Firefox 18 in September, but the project had already been underway for a good year at that point.

In an effort to keep Firefox competitive with commercial browsers and handle the ever-heavier burden that interactive webpages put on browsers’ scripting engines, Mozilla is working on a new ...