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 ...

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

While JavaScript has many applications, working with string values is one of the most popular. Strings are objects within the JavaScript language. They are not stored as character arrays, so built ...