In the past two columns, we’ve looked at higher-order functions and talked a little bit about the power of functional programming. So far, the concepts we’ve covered do little to indicate how ...

Figure 1. Functional JavaScript is available as an ebook (without DRM) from O'Reilly or as a paperback. Anyone who has followed my missives on programming have noted the varied exposure to ...

One way of doing this in JavaScript is called memoization, which is a functional programming technique used to deal with costly pure functions.

Moving from object-oriented to functional programming is a paradigm shift for developers, but these key principles explain why it's worth the effort.