ES6, Traceur, Node.js, Harmony

README.md

ES6 Feature	Node Flag	Traceur Flag
generators (yield)	--harmony_generators true	--generators parse
octal and binary literals	--harmony_numeric_literals true	--numeric_literals parse
Map, Set, WeakMap, WeakSet	--harmony_collections true	???
block-level function declaration	???	???
Promise	Dummy Flag	???
Object.is
Object.getOwnPropertySymbols
Object.setPrototypeOf
function "name" property
String.prototype.repeat
String.prototype.startsWith
String.prototype.endsWith
String.prototype.contains
global symbol registry
Array.prototype.copyWithin
Array.prototype.find
Array.prototype.findIndex
Array.prototype.fill
Array.prototype.keys
Array.prototype.values
Array.prototype.entries
Number.isFinite
Number.isInteger
Number.isSafeInteger
Number.isNaN
Number.EPSILON
Number.MIN_SAFE_INTEGER
Number.MAX_SAFE_INTEGER
Math methods