00:07 ECMAScript 2015
01:16 ECMAScript vs JavaScript
02:13 Babel Compiler
04:05 Current State of ES6
ES2015, or formerly ES6, has been around for a few years now, and if you haven't yet leveled up your skills with the new features and syntax in the spec, now is the time to do so! Before jumping in the code though, let's first review the terminology around ES6, as well as Babel, browser support, and lastly, the current state of the spec.
What’s the difference between JavaScript and ECMAScript? https://medium.freecodecamp.org/whats-the-difference-between-javascript-and-ecmascript-cba48c73a2b5
ES2015 quick reference https://babeljs.io/learn-es2015