Ecma International
ecma-international.org › accueil › standards › ecma-262
ECMA-262 - Ecma International
June 7, 2024 - This Standard defines the ECMAScript 2026 general-purpose programming language.
News
July 2015At the June 17, 2015 Ecma General Assembly in Montreux, ECMA-262 6th edition – ECMAScript® 2015 Language Specification and ECMA-402 2nd edition – ECMAScript® 2015 Internationalization API have been adopted
About Ecma
Ecma develops and publishes international standards for the information and communication industry.
Committees
Technical work is carried out by Technical Committees (TCs) and Task Groups (TGs). A Technical Committee or a Task Group addresses a particular area or topic. Ecma members are encouraged to participate in the work of TCs and TGs · Ecma International Rue du Rhône 114 1204 Geneva Switzerland
Publications and standards
ECMA-262ECMAScript® 2026 language specificationJune 2026
TC39
tc39.es › ecma262
ECMAScript® 2027 Language Specification
2 weeks ago - The fifth edition of ECMAScript (published as ECMA-262 5th edition) codified de facto interpretations of the language specification that have become common among browser implementations and added support for new features that had emerged since ...
Ecma-international
262.ecma-international.org
ECMAScript® 2026 Language Specification
The fifth edition of ECMAScript (published as ECMA-262 5th edition) codified de facto interpretations of the language specification that have become common among browser implementations and added support for new features that had emerged since the publication of the third edition.
GitHub
github.com › tc39 › ecma262
GitHub - tc39/ecma262: Status, process, and documents for ECMA-262 · GitHub
This repository contains the source for the current draft of ECMA-262, the ECMAScript® Language Specification.
Author tc39
Ecma-international
262.ecma-international.org › 5.1
ECMAScript Language Specification - ECMA-262 Edition 5.1
The fifth edition of ECMAScript (published as ECMA-262 5th edition) codifies de facto interpretations of the language specification that have become common among browser implementations and adds support for new features that have emerged since the publication of the third edition.
general-purpose programming language on which JavaScript and other languages are based
Factsheet
Paradigm Multi-paradigm: prototype-based, functional, imperative
Family ECMAScript
Designed by Brendan Eich, Ecma International
Paradigm Multi-paradigm: prototype-based, functional, imperative
Family ECMAScript
Designed by Brendan Eich, Ecma International
Wikipedia
en.wikipedia.org › wiki › ECMAScript
ECMAScript - Wikipedia
1 week ago - ECMAScript (/ˈɛkməskrɪpt/; ES) is the standard for the JavaScript language, intended to ensure the interoperability of web pages across different web browsers. It is standardized by Ecma International's TC39 technical committee in the document ECMA-262, with i18n ("Intl") APIs standardized ...
Ecma International
ecma-international.org › wp-content › uploads › ECMA-262_16th_edition_june_2025.pdf pdf
16th edition / June 2025 ECMAScript® 2025 Language Specification ECMA-262
The fifth edition of ECMAScript (published as ECMA-262 5th edition) codified de facto interpretations of the
V8
v8.github.io › test262 › website › default.html
ECMAScript Language – test262
"ECMAScript" is the name under which the language more commonly known as "JavaScript" is standardized. Development of the ECMAScript standard is the responsibility of Technical Committee 39 (TC39) of Ecma International. The ECMAScript Language Specification standard is officially known as ECMA-262.
LOC
loc.gov › preservation › digital › formats › fdd › fdd000443.shtml
ECMAScript Language (ECMA-262), including JavaScript
Format Description for ECMAScript -- a programming language, originally designed to be used as a scripting language for the World Wide Web. ECMAScript is the approved standard for JavaScript and JavaScript is often described as a dialect or implementation of ECMAScript.
DEV Community
dev.to › rembrandtreyes › what-are-ecmascript-ecma-262-and-javascript-139j
What are ECMAScript, ECMA-262, and JavaScript? - DEV Community
June 29, 2020 - ECMAScript or ES - is a general-purpose programming language, standardized by ECMA International according to the document ECMA-262. ECMAScript is a programming language itself, specified in the document ECMA-262.
GitHub
github.com › tc39 › test262
GitHub - tc39/test262: Official ECMAScript Conformance Test Suite · GitHub
Test262 is the implementation conformance test suite for the latest drafts (or most recent published edition) of the following Ecma specifications:
Author tc39
GitHub
github.com › tc39 › ecma262 › releases
Releases · tc39/ecma262
Status, process, and documents for ECMA-262. Contribute to tc39/ecma262 development by creating an account on GitHub.
Author tc39
Ecma-international
262.ecma-international.org › 13.0
ECMAScript® 2022 Language Specification - ECMA-262
The fifth edition of ECMAScript (published as ECMA-262 5th edition) codified de facto interpretations of the language specification that have become common among browser implementations and added support for new features that had emerged since the publication of the third edition.
Ecma International
ecma-international.org › wp-content › uploads › ECMA-262_12th_edition_june_2021.pdf pdf
Reference number ECMA-123:2009 © Ecma International 2009 ECMA-262
ECMA-262 · 12th Edition / June 2021 · ECMAScript® 2021 · Language Specification · COPYRIGHT PROTECTED DOCUMENT · © Ecma International 2020 · Ecma International · Rue du Rhone 114 · CH-1204 Geneva · Tel: +41 22 849 6000 · Fax: +41 22 849 6001 ·
Mozilla
www-archive.mozilla.org › js › language › E262-2.pdf pdf
Standard ECMA-262 2 nd Edition - August 1998
This Standard has been adopted as 2nd Edition of ECMA-262 by the ECMA General Assembly in August 1998.
Wikipedia
en.wikipedia.org › wiki › ECMAScript_version_history
ECMAScript version history - Wikipedia
3 weeks ago - The proposed 4th edition of ECMA-262 (ECMAScript 4 or ES4) would have been the first major update to ECMAScript since the 3rd edition was published in 1999. The specification (along with a reference implementation) was originally targeted for completion by October 2008.
Web3D Consortium
web3d.org › specifications › Ecma-262.pdf pdf
Reference number ECMA-123:2009 © Ecma International 2009 ECMA-262
language. The fifth edition of ECMAScript (published as ECMA-262 5th edition) codifies de facto
Ecma International
ecma-international.org › wp-content › uploads › ECMA-262_11th_edition_june_2020.pdf pdf
Reference number ECMA-123:2009 © Ecma International 2009 ECMA-262
ECMA-262 · 11th Edition / June 2020 · ECMAScript® 2020 · Language Specification · COPYRIGHT PROTECTED DOCUMENT · © Ecma International 2020 · Ecma International · Rue du Rhone 114 · CH-1204 Geneva · Tel: +41 22 849 6000 · Fax: +41 22 849 6001 · Web: https://www.ecma-international.org ·
GitHub
github.com › engine262 › engine262
GitHub - engine262/engine262: An implementation of ECMA-262 in JavaScript · GitHub
An implementation of ECMA-262 in JavaScript. Contribute to engine262/engine262 development by creating an account on GitHub.
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Languages TypeScript