first-class functions

How can I clearly understand first-class functions, higher-order functions, and closures in JavaScript?

I've been learning JavaScript for a while and I understand how to write and call functions, but I still get confused by the concepts of first-class functions, higher-order…

Can someone explain first-class functions, higher-order functions, and closures in JavaScript?

I've been learning JavaScript for a while and understand how to write and call functions, but I still find three related ideas confusing: first-class functions, higher-order functions, and…