Babel is a popular JavaScript compiler that has been installed nearly eight million times and claims dozens of high-profile customers, from Facebook to Netflix to Spotify to Yahoo. The new 6.0.0 ...

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 ...

If a JavaScript function is called more than six times, or loops more than 100 times, it gets fed into the next stage: a basic JIT compiler that produces executable code.