ECMAScript 2015 is now an Ecma StandardEcma international has announced that its General Assembly has approved ECMA-262-6 The ECMAScript 2015 Language Specification as an Ecma standard www.ecma-international.org/news/index.html The official document is now available from Ecma in HTML at www.ecma-international.org/ecma-262/6.0 and as a PDF at www.ecma-international.org/ecma-262/6.0/ECMA-262.pdf I recommend that people immediately start
