Modern EcmaScript (2015+) Fundamentals 💻

In the early days of the web web numbered Javascript, or more formally ECMAScript, by version: 1, 2, 3, and 4

Then, in 2015, the ECMAScript consortium changed to naming all new versions of ECMAScript using an “ES” followed by the year.

Today, these remain the important innovations from 2015 and beyond which you need to know to be comfortable with modern Javascript and Typescript.