Not CSS, but reading those three articles should give you a good primer on JS: https://medium.com/the-node-js-collection/modern-javascript-explained-for-dinosa

Not CSS, but reading those three articles should give you a good primer on JS: https://medium.com/the-node-js-collection/modern-javascript-explained-for-dinosaurs-f695e9747b70 https://medium.com/the-node-js-collection/modern-javascript-... https://medium.com/@parsyval/javascript-prototype-vs-class-a7015d5473b https://medium.com/@parsyval/javascript-prototype-vs-class-a... https://medium.freecodecamp.org/here-are-examples-of-everything-new-in-ecmascript-2016-2017-and-2018-d52fa3b5a70e https://medium.freecodecamp.org/here-are-examples-of-everyth...