Here's what beginning and experienced developers need to know about working with JavaScript's array, for loop, forEach, map, reduce, substring, and switch. Research suggests there are seven JavaScript ...

Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. TL;DR: A wide range of free ...