However, JavaScript compilers can optimize your JavaScript code and generate improved code. The compiled JavaScript files are smaller than your original JavaScript files, reducing download times ...

Emscripten C/C++-to-JavaScript project uses a back-end derived from LLVM for greater speed and a more dedicated compiler.

Roslyn features open source C# and Visual Basic compilers offering code analysis APIs. DuoCode is another tool for compiling to JavaScript without actually writing JavaScript.

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

Sparkplug is a new JavaScript compiler that fills the gap between needing to start executing quickly and optimizing the code for maximum performance.

The popular open source Babel compiler that makes modern JavaScript compatible with older environments has shipped in version 7 and, with help from Microsoft, now supports TypeScript. Babel, a ...

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