JavaScript is a flexible language, allowing for all sorts of styles and programming paradigms. Although this breadth sometimes comes at a cost to readability or consistency across a code base, it ...

In the past two columns, we’ve looked at higher-order functions and talked a little bit about the power of functional programming ... alone can be used as data and data structures.

Functional programming ... a result or (as with first-order functions) a standard data type. In addition, a pure function supports the following principles: The following code shows a scenario in ...