A comprehensive list of new ES features, including ES2015 (ES6), ES2016, ES2017, ES2018, ES2019
Lab exercises for my ES6 class
ECMAScript/JavaScript syntax (ES2015-ES2018, JSX, template highlighting, etc) with absurdly specific scopes
AWS Lambda boilerplate for Node.js 6.10, adding ES2018/7/6 features, Docker-based unit testing and various CI/CD configurations
This document describes the regular expression features available in JavaScript up to ES2018. Some ES2018 features have not been released.
A polyfill for Iterator helpers proposal written in Typescript for environments supporting ES2018+
ECMAScript features cheatsheet