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.
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 | Work in progress | Multiple new concepts and language features. |