JavaScript Version History: JavaScript, ECMAScript. ECMAScript 2022 (2022), ECMAScript 2021 (2021), ECMAScript 2020 (2020), ECMAScript 2019 (2019), ECMAScript 2018 (2018), ECMAScript 2017 (2017), ECMAScript 2016 (2016), ECMAScript 2015 (2015), ECMAScript 5.1 (2011), ECMAScript 5 (2009), ECMAScript 4 (2009), ECMAScript 3 (1999), ECMAScript 2 (1998), JavaScript 1.5 (2000), JavaScript 1.4 (1998), JavaScript 1.3 (1996), JavaScript 1.2 (1997), JavaScript 1.1 (1996, JavaScript 1.0 (1997. (navbar_javascript_versions - see also navbar_javascript, navbar_typescript_versions