ECMAScript / JavaScript features examples by version ES7 ES8 ES9 ES10 References https://en.wikipedia.org/wiki/ECMAScript#ES2015 https://medium.com/@madasamy/javascript-brief-history-and-ecmascript-es6-es7-es8-features-673973394df4 https://www.freecodecamp.org/news/here-are-examples-of-everything-new-in-ecmascript-2016-2017-and-2018-d52fa3b5a70e/