JS: Version History

By Xah Lee. Date: 2022-08-31.

JavaScript, is officially called ECMAScript, with a spec called ECMA-262

1995 → JavaScript. Created by Brendan Eich. Designed and implemented in 10 days.
1996 → Netscape JavaScript.
1997 → 1st Edition – ECMAScript.
1998 → 2nd Edition – ECMAScript.
1999 → 3rd Edition – ECMAScript.
2003 → 4th Edition (abandoned)
2009 → 5th Edition – ECMAScript 2009 (aka ES5)
2015 → 6th Edition – ECMAScript 2015 (aka ES6, Harmony)
2016 → 7th Edition – ECMAScript 2016
2017 → 8th Edition – ECMAScript 2017
2018 → 9th Edition – ECMAScript 2018
2019 → 10th Edition – ECMAScript 2019
2020 → 11th Edition – ECMAScript 2020
2021 → 12th Edition – ECMAScript 2021
2022 → 13th Edition – ECMAScript 2022

Wikipedia detail ECMAScript