The world's most popular programming language is starting to look like a real programming language, with classes, modules, promises and more. There's even a lot of excited discussion about proper tail ...

Nowhere becomes this more apparent than in aspects like JavaScript’s brilliantly designed Date class, which astounds people to this day with its elegant handling of JavaScript’s powerful type ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!