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|-
|[[SpiderMonkey (JavaScript engine)|SpiderMonkey]]
|[[Firefox]], the [[Gecko (layout engine)|Gecko]] [[layout engine]], [[Adobe Acrobat]]<ref group="d">Adobe Acrobat 9.0 uses the SpiderMonkey 1.7 engine: [http://livedocs.adobe.com/acrobat_sdk/9/Acrobat9_HTMLHelp/wwhelp/wwhimpl/common/html/wwhelp.htm?context=Acrobat9_HTMLHelp&file=JS_API_AcroJS.88.1.html JavaScript for Acrobat API Reference]</ref>
|ECMA-262, edizione 5.1, e caratteristiche dalla 6 e dalla imminente 7<ref group="d">[[SpiderMonkey (JavaScript engine)|SpiderMonkey]] already supports a wide range of upcoming features: [https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/ECMAScript_6_support_in_Mozilla ECMAScript 6 support in Mozilla] and [https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/ECMAScript_7_support_in_Mozilla ECMAScript 7 support in Mozilla]</ref>
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|[[V8 (JavaScript engine)|V8]]
|[[Google Chrome]], [[Node.js]], [[Opera (web browser)|Opera]]
|ECMA-262, edizione 5.1, e caratteristiche dalla 6<ref group="d">V8, the JavaScript engine created by [[Google]] and used in Chrome, implements ECMAScript as specified in ECMA-262, 5th edition: [https://code.google.com/p/v8/ V8 JavaScript Engine].</ref><ref group="d">Chrome also implements non-ECMAScript-standard extensions to the language that are present in WebKit, in order to maintain compatibility with [[JavaScriptCore]] : [https://code.google.com/p/v8/issues/detail?id=890&can=1&q=Javascript%201.8&colspec=ID%20Type%20Status%20Priority%20Owner%20Summary%20HW%20OS%20Area%20Stars V8 JavaScript Engine issue tracker].</ref>
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|[[JavaScriptCore]] (Nitro)
|[[WebKit]], [[Safari (web browser)|Safari]], [[Qt (software)|Qt 5]]
|ECMA-262, edizione 5.1, e caratteristiche dalla 6<ref group="d">[https://developer.apple.com/library/safari/releasenotes/General/WhatsNewInSafari/Articles/Safari_9.html#//apple_ref/doc/uid/TP40014305-CH9-SW27 ECMAScript 6 Enhancements]</ref>
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|[[JScript]] 9.0
|[[Nashorn (JavaScript engine)|Nashorn]]
|[[Java (software platform)|Java]]
|ECMA-262, edizione 5.1<ref group="d">Full ECMAScript 5.1 support in Opera 11.51+[https://wiki.openjdk.java.net/display/Nashorn/Nashorn+extensions].</ref>
|-
|[[Rhino (JavaScript engine)|Rhino]]
|Carakan <small>(deprecated)</small>
|[[Opera (web browser)|Opera 12]]
|ECMA-262, edizione 5<ref group="d">Full ECMAScript 5.1 support in Opera 11.51+[http://my.opera.com/desktopteam/blog/2011/09/13/es5].</ref><ref group="d">Opera's implementation includes some JavaScript and JScript extensions: [http://www.opera.com/docs/specs/presto23/ecmascript/ ECMAScript support in Opera Presto 2.3]</ref>
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|[[RemObjects Script]] for .NET
|[[KJS (software)|KJS]]
|[[KHTML]]
|ECMA-262, edizione 5.1<ref group="d">{{Cita web|url= http://buschinski.de/2013/01/kjs-finally-under-1000-fails/|titolo= bUscher » Blog Archive » kjs finally under 1000 fails!|sito= buschinski.de}}</ref> e caratteristiche dalla 6<ref group="d">Commits marked with ES6 are implementations of ES6 features: http://quickgit.kde.org/?p=kjs.git&a=shortlog</ref>
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|Ejscript
|Appweb Web Server, [[Samba (software)|Samba]] 4
|ECMA-262, edizione 3<ref group="d">This implementation asserts to support some extensions proposed in drafts of ECMAScript edition 4 (and now ECMAScript Harmony): [http://www.ejscript.org/products/ejs/overview.html Ejscript Overview].</ref>
|-
|[[JScript .NET]]
|Microsoft [[.NET Framework]]
|ECMA-262, edizione 3<ref group="d">Microsoft asserts that JScript 8.0 supports "almost all of the features of the ECMAScript Edition 3 Language Specification", but does not list the unsupported features.</ref>
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|[[ActionScript]]
|[[Adobe Flash]], [[Adobe Flex]], [[Adobe AIR]]
|ECMA-262, edizione 4<ref group="d">Completely conforming implementation of the ECMAScript fourth edition draft specification: [[ActionScript]]</ref><ref group="d">In addition to supporting ECMA-262 edition 3, ActionScript 3 also included support for extensions proposed in drafts of ECMAScript edition 4: [http://blogs.adobe.com/kiwi/2006/05/as3_language_101_for_cc_coders.html The Kiwi Project: AS3 language 101 for C/C++ coders].</ref>
|-
|[[Adobe ExtendScript]]
|[[Caja project|Caja]]
|
|ECMA-262, edizione 3
|ECMA-262, edizione 3<ref group="d">Caja emulates strict mode as specified in the ECMAScript edition 5 draft.</ref>
|-
|[[Chakra (JavaScript engine)|Chakra]]
|[[Microsoft Edge]]
|ECMA-262, edizione 5.1, e caratteristiche dalla 6<ref group="d">Microsoft states that Edge "supports most ES2015 features," supporting 81% of the specification as of May 2015 and 67% as of September 2015. [http://blogs.windows.com/msedgedev/2015/05/12/javascript-moves-forward-in-microsoft-edge-with-ecmascript-6-and-beyond/][https://kangax.github.io/compat-table/es6/]</ref>
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|}
{{Reflist}}
== Vedi altro ==
* [[Server-side JavaScript]]
* [[TypeScript]]
{{Categorizzare}}
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