Editing SpiderMonkey (section)

== History ==
Eich "wrote JavaScript in ten days" in 1995,<ref name=BE201106>
{{cite web
 | first= Brendan
 | last= Eich
 | author-link= Brendan Eich
 | title= New JavaScript Engine Module Owner
 | date= 21 June 2011
 | publisher= BrendanEich.com
 | url= http://brendaneich.com/2011/06/new-javascript-engine-module-owner/
 | access-date= 1 July 2011
 | archive-url= https://web.archive.org/web/20110714191057/http://brendaneich.com/2011/06/new-javascript-engine-module-owner/
 | archive-date= 14 July 2011
 | url-status= live
 | df= dmy-all
}}
</ref>
having been "recruited to Netscape with the promise of 'doing [[Scheme (programming language)|Scheme]]' in the browser".<ref name=BE200804>
{{cite web
 |title        = Popularity
 |date         = 3 April 2008
 |first        = Brendan
 |last         = Eich
 |author-link  = Brendan Eich
 |publisher    = BrendanEich.com
 |url          = http://brendaneich.com/2008/04/popularity/
 |access-date  = 1 July 2011
 |archive-url  = https://web.archive.org/web/20110703020955/http://brendaneich.com/2008/04/popularity/
 |archive-date = 3 July 2011
 |url-status   = live
 |df           = dmy-all
}}
</ref>
(The idea of using Scheme was abandoned when "engineering management [decided] that the language must 'look like [[Java (programming language)|Java]]{{'"}}.)<ref name=BE200804/> In late 1996, Eich, needing to "pay off [the] substantial [[technical debt]]" left from the first year, "stayed home for two weeks to rewrite Mocha as the codebase that became known as SpiderMonkey".<ref name=BE201106/> (Mocha was the original working name for the language.)<ref name="BE200804" /><ref name=BE201108>
{{cite web
 |title        = Mapping the Monkeysphere
 |first        = Brendan
 |last         = Eich
 |date         = 19 August 2011
 |author-link  = Brendan Eich
 |url          = http://blog.cdleary.com/2011/06/mapping-the-monkeysphere/#comment-222163115
 |access-date  = 19 August 2011
 |archive-url  = https://web.archive.org/web/20130113222435/http://blog.cdleary.com/2011/06/mapping-the-monkeysphere/#comment-222163115
 |archive-date = 13 January 2013
 |url-status   = live
 |df           = dmy-all
}}
</ref>
In 2011, Eich transferred management of the SpiderMonkey code to Dave Mandelin.<ref name=BE201106/>

===Versions===
{| class="wikitable" style="text-align:center;"
|+SpiderMonkey version history
|-
!scope="col" |Version
!scope="col" |Release date
!scope="col" | Corresponding ECMAScript version
!scope="col" | Browser version
!scope="col" | Added functionality
|-
!scope="row" {{Version |o |1.0}}
| March 1996 || || Netscape Navigator 2.0 || 
|-
!scope="row" {{Version |o |1.1}}
| August 1996 || || Netscape Navigator 3.0 ||
|-
!scope="row" {{Version |o |1.2}}
| June 1997 || || Netscape Navigator 4.0 - 4.05 ||
|-
!scope="row" {{Version |o |1.3}}
| October 1998 || ECMA-262 1st + 2nd edition || Netscape Navigator 4.06-4.7x ||
|-
!scope="row" {{Version |o |1.4}}
| || || Netscape Server ||
|-
!scope="row" {{Version |o |1.5}}
| November 2000 || ECMA-262 3rd edition || Netscape Navigator 6, Firefox 1.0 ||
|-
!scope="row" {{Version |o |1.6}}
| November 2005<ref>{{cite web|last=|first=|date=|title=New in JavaScript 1.6|url=https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/1.6|url-status=dead|archive-url=https://web.archive.org/web/20150905053952/https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/1.6|archive-date=5 September 2015|access-date=28 July 2015|website=|df=dmy-all}}</ref>|| || Firefox 1.5 || additional array methods, array and string generics, [[E4X]]
|-
!scope="row" {{Version |o |1.7}}
| October 2006 || || Firefox 2.0 || iterators and generators, let statement, array comprehensions, destructuring assignment
|-
!scope="row" {{Version |o |1.8}}
| June 2008 || || Firefox 3.0 || generator expressions, expression closures
|-
!scope="row" {{Version |o |1.8.5}}
| March 2011 || ECMA-262 5th edition || Firefox 4.0 || JSON support
|-
!scope="row" {{Version |o |1.8.8}}
| January 2012 || || Firefox 10.0 ||
|-
!scope="row" {{Version |o |17}}
| November 2012 || || Firefox 17.0 ||
|-
!scope="row" {{Version |o |24}}
| September 2013 || || Firefox 24.0 ||
|-
!scope="row" {{Version |o |31}}
| July 2014 || || Firefox 31.0 ||
|-
!scope="row" {{Version |o |38}}
| May 2015 || || Firefox 38.0 ||
|-
!scope="row" {{Version |o |45}}
| March 2016 || || Firefox 45.0 ||
|-
!scope="row" {{Version |o |52}}
| March 2017 || || Firefox 52.0 ||
|-
!scope="row" {{Version |o |60}}
| May 2018 || || Firefox 60.0 ||
|-
!scope="row" {{Version |o |68}}
| July 2019 || || Firefox 68.0 ||
|-
!scope="row" {{Version |o |78}}
| June 2020 || || Firefox 78.0 ||
|-
!scope="row" {{Version |o |91}}
| August 2021 || || Firefox 91.0 ||
|-
!scope="row" {{Version |o |102}}
| June 2022 || || Firefox 102.0 ||
|-
!scope="row" {{Version |o |103}}
| July 2022 || || Firefox 103.0 ||
|-
!scope="row" {{Version |c |131}}
| September 2024<ref>{{Cite web |title=Directory Listing: /pub/firefox/releases/131.0/source/ |url=https://archive.mozilla.org/pub/firefox/releases/131.0/source |archive-url=http://web.archive.org/web/20241007125843/https://archive.mozilla.org/pub/firefox/releases/131.0/source/ |archive-date=2024-10-07 |access-date=2025-03-20 |website=archive.mozilla.org}}</ref>|| || Firefox 131.0 ||
|-
| colspan="5" | {{Version|l|show=111111}}
|}