The project description describes it as json plus syntax from emcascript 5.1 (commonly called ES5) [the official name of javascript is emcascript]. I imagine th

The project description describes it as json plus syntax from emcascript 5.1 (commonly called ES5) [the official name of javascript is emcascript]. I imagine that is where the name comes from. Although it doesn't really make sense since most of the stuff they add predates ES5.