Modern Javascript is a free course to get you up to speed with everything from “vanilla JS, to ES2015, NPM and Webpackpro”.

Building web applications with cutting edge technology often requires a foundation of modern JavaScript concepts in order to be highly productive working in the latest frameworks and libraries as quickly as possible.In this course, we’ll cover everything you need to know to know to get from vanilla JS basics to a ES2015, NPM and Webpack pro.

Source: Modern Javascript | AngularClass