ECMAScript

E24470

ECMA standard ISO standard programming language specification scripting language specification

ECMAScript is the official scripting language specification that defines the core features and behavior implemented by JavaScript and related languages.

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Observed surface forms (35)

Surface form	Occurrences
ECMAScript 5	6
ECMAScript 2016	4
ECMAScript 2017	4
ECMAScript 2015	3
ECMAScript 2018	3
ECMAScript 2019	3
ECMAScript 2020	3
ECMA-262	2
ECMAScript 2021	2
ECMAScript 2022	2
ECMAScript 2023	2
ECMAScript 3	2
ECMA-402	1
ECMASScript	0
ECMAScript (JavaScript)	1
ECMAScript (via JavaScript engine integration)	1
ECMAScript 1	1
ECMAScript 2	1
ECMAScript 2015 = ES6	1
ECMAScript 2016 = ES7	1
ECMAScript 2017 = ES8	1
ECMAScript 2018 = ES9	1
ECMAScript 2019 = ES10	1
ECMAScript 2020 = ES11	1
ECMAScript 2021 = ES12	1
ECMAScript 2022 = ES13	1
ECMAScript 2023 = ES14	1
ECMAScript 5.1	1
ECMAScript 6	1
ECMAScript Language Specification	1
ECMAScript modules	1
ECMAScript runtime semantics	1
ECMAScript standard	1
ECMAScript, the standard underlying JavaScript	1
JScript	1

Statements (94)

Predicate	Object
instanceOf	ECMA standard ⓘ ISO standard ⓘ programming language specification ⓘ scripting language specification ⓘ
abbreviation	ES ⓘ
alsoUsedFor	desktop applications ⓘ embedded systems ⓘ mobile applications ⓘ server-side scripting ⓘ
basedOn	Netscape JavaScript language ⓘ
category	programming languages ⓘ scripting languages ⓘ web standards ⓘ
conformsTo	ISO/IEC 16262 ⓘ
defines	control structures ⓘ core language features of JavaScript ⓘ error handling behavior ⓘ execution model ⓘ objects ⓘ semantics of the language ⓘ standard library ⓘ syntax of the language ⓘ types ⓘ
developedBy	ECMA International ⓘ surface form: Ecma International ECMA International ⓘ surface form: Ecma TC39
doesNotDefine	DOM ⓘ surface form: DOM APIs Web APIs ⓘ host environment behavior beyond specified hooks ⓘ
editionAlias	ECMAScript ⓘ surface form: ECMAScript 2015 = ES6 ECMAScript ⓘ surface form: ECMAScript 2016 = ES7 ECMAScript ⓘ surface form: ECMAScript 2017 = ES8 ECMAScript ⓘ surface form: ECMAScript 2018 = ES9 ECMAScript ⓘ surface form: ECMAScript 2019 = ES10 ECMAScript ⓘ surface form: ECMAScript 2020 = ES11 ECMAScript ⓘ surface form: ECMAScript 2021 = ES12 ECMAScript ⓘ surface form: ECMAScript 2022 = ES13 ECMAScript ⓘ surface form: ECMAScript 2023 = ES14
firstEditionYear	1997 ⓘ
firstStandardizedBy	ECMA International ⓘ surface form: ECMA
fullName	ECMAScript self-linksurface differs ⓘ surface form: ECMAScript Language Specification
governingBody	ECMA International ⓘ surface form: Ecma International
hasEdition	ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 1 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2015 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2016 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2017 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2018 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2019 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2020 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2021 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2022 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 2023 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 3 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 5 ECMAScript self-linksurface differs ⓘ surface form: ECMAScript 5.1
hostEnvironmentsInclude	Deno ⓘ Node.js ⓘ embedded JavaScript engines ⓘ web browsers ⓘ
influencedBy	C ⓘ Java ⓘ Scheme ⓘ Self ⓘ
influences	ActionScript ⓘ CoffeeScript ⓘ Dart ⓘ surface form: Dart (early versions) Flow ⓘ JScript .NET ⓘ surface form: JScript JavaScript ⓘ TypeScript programming language ⓘ surface form: TypeScript
maintainedBy	ECMA International ⓘ surface form: Ecma International ECMA International ⓘ surface form: Ecma TC39
primaryImplementationLanguage	JavaScript ⓘ
primaryUse	client-side web scripting ⓘ
proposalProcess	multi-stage TC39 process ⓘ
releaseModel	yearly ⓘ
specifies	BigInt type ⓘ JSON object ⓘ Map and Set objects ⓘ arrow functions ⓘ async functions ⓘ classes ⓘ generators ⓘ iterators ⓘ modules ⓘ promises ⓘ proxies ⓘ strict mode ⓘ symbols ⓘ template literals ⓘ typed arrays ⓘ
standardNumber	ECMAScript self-linksurface differs ⓘ surface form: ECMA-262
technicalCommittee	TC39 ⓘ
website	https://ecma-international.org/publications-and-standards/standards/ecma-262/ ⓘ

Referenced by (75)

Full triples — surface form annotated when it differs from this entity's canonical label.

JScript .NET → basedOn → ECMAScript ⓘ

this entity surface form: JScript

WebAssembly JavaScript Interface → compatibleWith → ECMAScript ⓘ

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2015 = ES6

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2016 = ES7

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2017 = ES8

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2018 = ES9

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2019 = ES10

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2020 = ES11

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2021 = ES12

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2022 = ES13

ECMAScript → editionAlias → ECMAScript ⓘ

this entity surface form: ECMAScript 2023 = ES14

ECMAScript → fullName → ECMAScript self-linksurface differs ⓘ

this entity surface form: ECMAScript Language Specification