Learn the key concepts behind React and how to use JSX elements and components to build lean and fast web front ends React, also known as ReactJS, is an open source JavaScript library for building ...

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.

Apple integrates LLVM compiler to boost WebKit JavaScript performance Since compilers already make fast code, why not take advantage?

Mozilla beefing up JavaScript performance with new JIT compiler IonMonkey JavaScript will debut with Firefox 18 in early 2013.