Editing WebKit (section)

{{Short description|Open source browser engine}}
{{Use mdy dates|date=October 2013}}
{{Infobox software
| name = WebKit
| logo = WebKit logo (2023).svg
| logo size = 100px
| screenshot = 
| caption = logo used since 2015
| author = [[Apple Inc.]]<ref name="macport">{{cite web |url=http://lists.kde.org/?m=104197092318639 |title='(fwd) Greetings from the Safari team at Apple Computer' – MARC |publisher=Lists.kde.org |date=January 7, 2003 |access-date=May 2, 2017 |url-status=live |archive-url=https://web.archive.org/web/20150209072938/http://lists.kde.org/?m=104197092318639 |archive-date=February 9, 2015 |df=mdy-all }}</ref><ref>{{cite web |url= http://donmelton.com/2013/01/10/safari-is-released-to-the-world/ |title=Safari is released to the world |publisher=Donmelton.com |access-date=January 13, 2013}}</ref>
| developer = Apple Inc., [[Adobe Systems]], [[Sony]], [[KDE]], [[Igalia]], and others
| released = {{Start date and age|1998|11|04}} (KHTML released)<br />{{Start date and age|2005|06|07}} (WebKit sourced)
| latest release version = 
| latest release date = 
| latest preview version = Nightly<ref>{{cite web |title=WebKit Nightly Builds |url=https://webkit.org/downloads/ |website=WebKit.org |access-date=May 27, 2014 |url-status=live |archive-url=https://web.archive.org/web/20160403165617/https://webkit.org/downloads/ |archive-date=April 3, 2016 |df=mdy-all }}</ref>
| latest preview date = 
| repo = {{URL|github.com/WebKit/WebKit}}
| programming language = [[C++]]<ref>{{cite web|author=<!--unstated-->|title=Code Style Guidelines|url=https://webkit.org/code-style-guidelines/|website=WebKit.org|date=November 7, 2015|publisher=Apple, Inc.|access-date=2 May 2017|language=en|url-status=live|archive-url=https://web.archive.org/web/20170501132832/https://webkit.org/code-style-guidelines/|archive-date=May 1, 2017|df=mdy-all}}</ref><!-- What of [[C (programming language)|C]], [[Objective-C]], and Objective-C++ as included in the Guidelines? -->
| operating system = [[macOS]], [[iOS]], [[Linux]],<ref>{{cite web |title=WebKit Download |date=March 30, 2016 |url=https://webkit.org/downloads/ |access-date=14 August 2018}}</ref> [[Microsoft Windows]]<ref>{{cite web|title=WebKit on Windows {{Pipe}} WebKit|url=https://webkit.org/webkit-on-windows/|website=WebKit.org|date=November 7, 2015|publisher=Apple, Inc.|access-date=August 8, 2021|language=en|url-status=live|archive-url=https://web.archive.org/web/20210808104008/https://webkit.org/webkit-on-windows/|archive-date=August 8, 2021|df=mdy-all}}</ref><ref>{{cite web|title=BuildingCairoOnWindows – WebKit|date=June 8, 2021|url=https://trac.webkit.org/wiki/BuildingCairoOnWindows|website=trac.webkit.org|publisher=Apple, Inc.|access-date=August 8, 2021|language=en|url-status=live|archive-url=https://web.archive.org/web/20210808103951/https://trac.webkit.org/wiki/BuildingCairoOnWindows|archive-date=August 8, 2021|df=mdy-all}}</ref>
| genre = [[Browser engine]]
| license = [[GNU Lesser General Public License|LGPLv2.1]] (rendering engine, JavaScript engine), [[BSD licenses|BSD 2-Clause]] (additional contributions from Apple)<ref name="licensing"/>
| website = {{URL|webkit.org}}
}}

'''WebKit''' is a [[browser engine]] primarily used in [[Apple Inc.|Apple's]] [[Safari (web browser)|Safari]] [[web browser]], as well as all web browsers on [[iOS]] and [[iPadOS]]. WebKit is also used by the [[PlayStation]] consoles starting with the PS3, the [[Tizen]] mobile operating systems, the [[Amazon Kindle]] [[e-book]] reader, [[Nintendo video game consoles|Nintendo consoles]] starting with the [[Internet Browser (Nintendo 3DS)|3DS Internet Browser]], [[GNOME Web]], and the discontinued [[BlackBerry Browser]]. 

WebKit started as a [[Fork (software development)|fork]] of the [[KHTML]] and [[KJS (software)|KJS]] libraries from [[KDE]],<ref name="macport"/><ref name=":0">{{cite web |url=https://webkit.org/ |title=The WebKit Open Source Project |access-date=April 7, 2012 |url-status=live |archive-url=https://web.archive.org/web/20120410164749/http://www.webkit.org/ |archive-date=April 10, 2012 |df=mdy-all }}</ref> and has since been further developed by [[KDE]] contributors, [[Apple Inc.|Apple]], [[Google]], [[Nokia]],<ref name=":0" /> [[Bitstream Inc.|Bitstream]], [[BlackBerry Limited|BlackBerry]], [[Sony]], [[Igalia]], and others.<ref>{{cite web |url=https://trac.webkit.org/wiki/Companies%20and%20Organizations%20that%20have%20contributed%20to%20WebKit |title=Companies and Organizations that have contributed to WebKit |last=Stachowiak |first=Maciej |date=November 9, 2008 |work=WebKit Wiki |access-date=November 17, 2008}}</ref> WebKit supports [[macOS]], [[Microsoft Windows|Windows]], [[Linux]], and various other [[Unix-like]] [[operating system]]s.<ref name="webkitsite">{{cite web|url=https://webkit.org/getting-the-code|title=The WebKit Open Source Project – Getting the Code|publisher=Webkit.org|access-date=December 27, 2010|url-status=live|archive-url=https://web.archive.org/web/20160306112604/https://webkit.org/getting-the-code/|archive-date=March 6, 2016|df=mdy-all}}</ref> On April 3, 2013, Google announced that it had forked WebCore, a component of WebKit, to be used in future versions of [[Google Chrome]] and the [[Opera (web browser)|Opera web browser]], under the name [[Blink (browser engine)|Blink]].<ref>{{cite web |last=Barth |first=Adam |url=https://blog.chromium.org/2013/04/blink-rendering-engine-for-chromium.html |title=Chromium Blog: Blink: A rendering engine for the Chromium project |publisher=Blog.chromium.org |date=April 3, 2013 |access-date=June 14, 2013 |url-status=live |archive-url=https://web.archive.org/web/20130404034320/http://blog.chromium.org/2013/04/blink-rendering-engine-for-chromium.html |archive-date=April 4, 2013 |df=mdy-all }}</ref><ref>{{cite web|last=Lawson |first=Bruce |url=http://www.brucelawson.co.uk/2013/hello-blink/ |title=Bruce Lawson's personal site: Hello Blink |date=April 3, 2013 |publisher=Brucelawson.co.uk |access-date=June 14, 2013}}</ref>

Its [[JavaScript]] engine, JavascriptCore, also powers the [[Bun (software)|Bun]] server-side JS runtime,<ref>{{Cite web |last=Omolana |first=Timilehin |date=2022-08-02 |title=What Is Bun.js and Why Is the JavaScript Community Excited About It? |url=https://www.makeuseof.com/what-is-bunjs-why-the-javascript-community-excited/ |access-date=2023-05-30 |website=makeuseof.com |language=en-US}}</ref> as opposed to [[V8 (JavaScript engine)|V8]] used by [[Node.js]], [[Deno (software)|Deno]], and [[Blink (engine)|Blink]]. WebKit's [[C++]] [[application programming interface]] (API) provides a set of [[Class (computer programming)|classes]] to display [[World Wide Web|Web]] content in [[Window (computing)|windows]], and implements browser features such as following links when clicked by the user, managing a back-forward list, and managing a history of pages recently visited.

WebKit is [[open source]] and available under the [[BSD licenses|BSD 2-Clause]] license<ref>{{cite web |url=https://developer.apple.com/opensource/internet/webkit.html |title=Open Source – WebKit |publisher=Apple |access-date=March 5, 2009 |archive-url=https://web.archive.org/web/20090311132231/http://developer.apple.com/opensource/internet/webkit.html |archive-date=March 11, 2009 |df=mdy-all }}</ref><ref name="licensing">[https://webkit.org/licensing-webkit/ Licensing WebKit | WebKit]</ref> with the exception of the [[#WebCore|WebCore]] and [[#JavaScriptCore|JavaScriptCore]] components, which are available under the [[GNU Lesser General Public License]]. As of March 7, 2013, WebKit is a trademark of Apple, registered with the U.S. Patent and Trademark Office.<ref>{{cite web|url=http://www.patentlyapple.com/patently-apple/2013/03/apples-webkit-is-now-a-registered-trademark-in-the-us.html |first1=Jack |last1=Purcher |website=Patently Apple |date=March 7, 2013 |title=Apple's "WebKit" is now a Registered Trademark in the US|access-date=March 7, 2013|url-status=live|archive-url=https://web.archive.org/web/20130309104912/http://www.patentlyapple.com/patently-apple/2013/03/apples-webkit-is-now-a-registered-trademark-in-the-us.html|archive-date=March 9, 2013|df=mdy-all}}</ref>