What’s new in ECMAScript 2019 (ES2019)?

What’s new in ECMAScript 2019 (ES2019)?

Every year since 2015, new ECMAScript features are released. Creating a new ECMAScript standard has four stages, from stage 0 to stage 3 it is mostly planning, and drafts and stage 4 is final. It’s possible to use the newest features in Google Chrome version 72. Let’s...