|ECMA-262 Edition 6||PDF, HTML||June, 2015||ECMAScript 2015 (6th Edition), the latest published revision of the Language Specification.|
|ECMA-402 2.0||June, 2015||ECMAScript Internationalization API.|
|ECMA-262||June 1997||the original ECMAScript standard.|
|ECMA-262 Edition 2||August 1998||the second revision of the ECMAScript standard; also ISO standard 16262.|
See also the errata
|ECMA-262 Edition 5||December 2009||ECMAScript 5
See also the ES5 errata and ECMAScript 5 support in Mozilla
|ECMA-357||June 2004||ECMAScript for XML (E4X).
See also the E4X errata.
|ECMA-357 Edition 2||December 2005||ECMAScript for XML (E4X).|
|ECMA-262 Edition 5.1||PDF, HTML||June 2011||This version is fully aligned with 3rd edition of the international standard ISO/IEC 16262:2011.
It includes ES5 errata fixes, no new features.
|ECMA-402 1.0||PDF, HTML||December 2012||ECMAScript Internationalization API 1.0.|
See wikipedia ECMAScript entry for more information on ECMAScript history.
You can participate in or just track the work on the next revisions of the ECMAScript Language Specification, code-named "Harmony", and the ECMAScript Internationalization API Specification via public wiki and the es-discuss mailing list linked from ecmascript.org.
- Tamarin - the ActionScript virtual machine (used in the Adobe® Flash® Player);
- Other implementations (wikipedia).
- Dmitry Soshnikov's analysis of ECMA-262 Edition 3 and 5