The beta open source Joy compiler takes on the same task as GopherJS: to bring Go language approaches to JavaScript development Developers wanting to use the Google Go language, aka Golang ...

“but also for making future JavaScript compiler research much easier. It’s now possible to write an optimization algorithm, plug it into the pipeline, and see what it does.” Firefox 18 is ...

This allows scripts to run "instantly" without having to wait for a compiler. If a JavaScript function is called more than six times, or loops more than 100 times, it gets fed into the next stage ...