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

GopherJS also brings Go to JavaScript Joy is not the first attempt at Go-to-JavaScript compilation. The GopherJS compiler also compiles Go code to JavaScript, for running in browsers.

If you want to make your code better and the process efficient, check our list of some of the best VS Code extensions for JavaScript ...

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

Sparkplug adds another compiler and “strikes a balance” between the two in that it generates native machine code, but doesn’t depend on information learned while executing the JavaScript code.

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.