Versions

In the beginning there was JavaScript and this was submitted to ECMA international as a standard.
This new language standard was called ECMAScript.
JavaScript is the most popular implementation of this standard.
JavaScript implements ECMAScript and builds on top of it.
A new version of ECMAScript is released every year.


NameOther NamesRelease DateNotes / Version Number
ES 2022ECMAScript 2022 / ES132022 JuneVersion 13,
ES 2021ECMAScript 2021 / ES122021 JuneVersion 12, string.replaceAll
ES 2020ECMAScript 2020 / ES112020 JuneVersion 11, optional chaining
ES 2019ECMAScript 2019 / ES102019 JuneVersion 10, string.trimStart / trimEnd
ES 2018ECMAScript 2018 / ES92018 JuneVersion 9, for-await-of loop
ES 2017ECMAScript 2017 / ES82017 JuneVersion 8, async and await
ES 2016ECMAScript 2016 / ES72016 JuneVersion 7, Array.prototype.includes
ES 2015ECMAScript 2015 / ES62015 JuneVersion 6, let and const
ES 2009ECMAScript 2009 / ES52009 DecemberVersion 5
ES 2008 2008 JulyVersion 4 was abandoned
ES 1999 1999 DecemberVersion 3
ES 1998 1998 JuneVersion 2
ES 1997 1997 JuneVersion 1

ECMA-262

This is the official ECMA standard definition for the ECMAScript programming language.

link - ecma-international.org/publications-and-standards/standards/ecma-262/
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