|
JavaScript |
JScript |
ECMAScript |
Release date |
Netscape Navigator |
Mozilla Firefox |
Internet Explorer |
Opera |
Safari |
Google Chrome |
|
1.0 |
1.0 |
|
March 1996 |
2.0 |
|
3.0- early versions, August 1996 |
|
|
|
|
1.1 |
2.0 |
|
August 1996 |
3.0 |
|
3.0- later versions, January 1997 |
|
|
|
|
1.2 |
|
|
June 1997 |
4.0-4.05 |
|
|
|
|
|
|
1.3 |
3.0 |
ECMA-262 1st edition/ ECMA-262 2nd edition |
October 1998 |
4.06-4.7x |
|
4.0 -Oct 1997 |
|
|
|
|
1.4 |
4.0 |
|
|
Netscape Server |
|
|
|
|
|
|
|
5.0 |
|
March 1999 |
|
|
5.0 |
|
|
|
|
|
5.1 |
|
|
|
|
5.01 |
|
|
|
|
1.5 |
5.5 |
ECMA-262 3rd edition |
November 2000 |
6.0 |
1.0 |
5.5-July 2000 |
6.0-11.0 |
3.0-5 |
1.0-10.0.666 |
|
|
5.6 |
ECMA-262 3rd edition |
October 2001 |
|
|
6.0 |
|
|
|
|
|
5.7 |
ECMA-262 3rd edition + ECMA-327 (ES-CP) |
November 2006 |
|
|
7 |
|
|
|
|
|
5.8 |
ECMA-262 3rd edition + ECMA-327 (ES-CP) + JSON (RFC 4627) |
March 2009 |
|
|
8 |
|
|
|
|
1.6 |
|
1.5 + Array extras + Array and String generics + E4X |
November 2005 |
|
1.5 (Gecko 1.8) |
|
|
|
|
|
1.7 |
|
1.6 + Pythonic generators + Iterators + let |
October 2006 |
|
2.0(Gecko 1.8.1) |
|
|
|
|
|
1.8 |
|
1.7 + Generator expressions + Expression closures |
June 2008 |
|
3.0(Gecko 1.9) |
|
|
|
|
|
1.8.1 |
|
1.8 + Native JSON support + Minor Updates |
|
|
3.5 |
|
|
|
|
|
1.8.2 |
|
1.8.1 + Minor updates |
June 22, 2009 |
|
3.6 |
|
|
|
|
|
1.8.5 |
|
1.8.1 + ECMAScript 5 Compliance |
July 27, 2010 |
|
4 |
9 |
|
|
|
|
2.0 (work in progress) |
|
Harmony(work in progress) |
|
|
|
|
|
|
|