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| designer = [[Brendan Eich]], [[Ecma International]]
| typing = [[weak typing|weak]], [[dynamic typing|dynamic]]
| implementations = [[JavaScript]], [[ActionScript]], [[JScript]], [[QtScript]],
| website = {{URL|https://www.ecma-international.org/publications-and-standards/standards/ecma-262/}}
| year = {{Start date and age|1997}}
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== ECMAScript, ECMA-262, JavaScript ==
'''ECMA-262''', or the ''ECMAScript Language Specification'', defines the ''ECMAScript Language'', or just '''ECMAScript'''.<ref>{{cite web |last=Guo |first=Shu-yu |date=2022-02-14 |title=ECMAScriptÂŽ 2022 Language Specification |url=https://tc39.es/ecma262/ |url-status=live |archive-url=https://web.archive.org/web/20200508053013/https://tc39.es/ecma262/ |archive-date=2020-05-08 |website=tc39.es |accessdate=2022-02-14}}</ref> ECMA-262 specifies only language syntax and the semantics of the core application programming interface ([[API]]), such as {{mono|Array}}, {{mono|Function}}, and {{mono|globalThis}}, while valid implementations of JavaScript add their own functionality such as [[input/output]] and [[
== History==
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=== Weakly typed ===
ECMAScript is [[weakly typed]]. This means that certain types are assigned implicitly based on the operation being performed. However, there are several quirks in JavaScript's implementation of the conversion of a variable from one type to another.
=== Dynamic ===
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