Editing SpiderMonkey (section)

{{Short description|JavaScript and WebAssembly engine}}
{{about|the software|the primate|Spider monkey|other uses|Spider monkey (disambiguation)}}
{{Use dmy dates|date=December 2017}}
{{Infobox software
| name                   = SpiderMonkey
| logo                   = Spidermonkey-logo-2021.svg
| caption                = 
| developer              = {{Unbulleted list|[[Mozilla Foundation]]|[[Mozilla Corporation]]}}
| latest release version = 
| latest release date    = 
| operating system       = [[Cross-platform software|Cross-platform]]
| genre                  = [[JavaScript engine|JavaScript]] and [[WebAssembly]] engine
| programming language   = [[C (programming language)|C]], [[C++]], [[Rust (programming language)|Rust]]
| platform               = [[IA-32]], [[x86-64]], [[ARM architecture|ARM]], [[MIPS architecture|MIPS]], [[SPARC]],<ref>{{cite web |url=https://developer.mozilla.org/en-US/docs/SpiderMonkey/1.8.8#Platform_support |title=1.8.8 – SpiderMonkey &#124; MDN |publisher=Developer.mozilla.org |date=10 January 2013 |access-date=21 March 2013 |archive-url=https://web.archive.org/web/20130502115508/https://developer.mozilla.org/en-US/docs/SpiderMonkey/1.8.8#Platform_support |archive-date=2 May 2013 |url-status=live |df=dmy-all }}</ref> [[RISC-V]]<ref>{{cite web |date=2023-02-16|title=SpiderMonkey Newsletter (Firefox 110-111) |url=https://spidermonkey.dev/blog/2023/02/16/newsletter-firefox-110-111.html |website=spidermonkey.dev |access-date=27 December 2023}}</ref>
| license                = [[Mozilla Public License|MPL 2.0]]<ref>{{citation |url=https://www.mozilla.org/foundation/licensing.html |title=Mozilla Licensing Policies |publisher=mozilla.org |access-date=26 March 2013 |archive-url=https://web.archive.org/web/20130402181908/http://www.mozilla.org/foundation/licensing.html |archive-date=2 April 2013 |url-status=live |df=dmy-all }}</ref>
| website                = {{URL|spidermonkey.dev}}
| repo                   = {{URL|github.com/mozilla-spidermonkey}}
}}

'''SpiderMonkey''' is an [[open-source software|open-source]] [[List of JavaScript engines|JavaScript]] and [[WebAssembly]] engine by the [[Mozilla Foundation]].<ref>{{Cite web|title=Home|url=https://spidermonkey.dev|access-date=2023-04-24|website=SpiderMonkey JavaScript/WebAssembly Engine|language=en-US}}</ref> The engine powers the [[Firefox]] [[Web browser]] and has used multiple generations of JavaScript [[Just-in-time compilation|just-in-time (JIT) compilers]], including TraceMonkey, JägerMonkey, IonMonkey, and the current WarpMonkey.

It is the first [[List of JavaScript engines|JavaScript engine]], written by [[Brendan Eich]] at [[Netscape]] Communications, and later released as open source and currently maintained by the Mozilla Foundation. Its design allows it to be embedded in applications beyond Web browsers, with implementations including MongoDB database system, Adobe Acrobat, and the GNOME desktop environment.