View source for ECMAScript standard

ECMAScript is a scripting programming language, standardized by Ecma International in the ECMA-262 specification.

==Versions==
There are three editions of ECMA-262 published, and the work on the fourth edition is in progress.

{| class="wikitable"
|- style="background: #ccccff;"
!Edition
!Date published
!Differences to the previous edition
|-
|1
|June 1997
|First edition, editor Guy L. Steele, Jr.
|-
|2
|June 1998
|Editorial changes to keep the specification fully aligned with ISO/IEC 16262 international standard; editor Mike Cowlishaw.
|-
|3
|December 1999
|Added regular expressions, better string handling, new control statements, try/catch exception handling, tighter definition of errors, formatting for numeric output and other enhancements; editor Mike Cowlishaw.
|-
|4
|Abandoned
|[http://stackoverflow.com/questions/2329602/why-was-ecmascript-4th-edition-completely-scrapped#2329662 Rejected] for proposing too much new syntax and too many extra features.
|-
|5
|December 2009
|Added [[JSON]] library, <code>use strict</code> mode, some other stuff...
|-
|5.1
|June 2011
|Corrected errors in the specification.
|}

==References==
* http://www.ecmascript.org/
* [http://www.ecma-international.org/publications/standards/Ecma-262.htm ECMA-262 - ECMAScript Language Specification - Newest edition]
* [http://es5.github.com/ Annotated ECMAScript 5.1]

[[Category:Standards]]