I've also recently been reading this blog on MDN that covers pretty much all the concepts in ES6: https://hacks.mozilla.org/category/es6-in-depth https://hacks

I've also recently been reading this blog on MDN that covers pretty much all the concepts in ES6: https://hacks.mozilla.org/category/es6-in-depth https://hacks.mozilla.org/category/es6-in-depth (note it's extremely similar to this one, both are guides on ES6 and cover pretty much all the areas)