‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

JavaScript doesn't have a native namespace facility so how are you supposed to keep utility and helper functions private? The solution is to use inner functions but this is just the start of the story ...

Just to demonstrate how all grown up JavaScript is, Fast.js re-implements a number of built-in native functions in JavaScript. Guess what - they are faster! There used to be a basic rule that in a ...