Or GRAAL.js which is a lot further in implementing al the new ES6+ features than Nashorn will ever be [1] It's really quite nice and I think there will be exit

Or GRAAL.js which is a lot further in implementing al the new ES6+ features than Nashorn will ever be [1] It's really quite nice and I think there will be exiting news in this front from Oracle lab soonish... [1] http://www.oracle.com/technetwork/oracle-labs/program-languages/polyglot/index.html http://www.oracle.com/technetwork/oracle-labs/program-langua...