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 ...

Functions are objects, but we tend to forget that they are. Just like all objects in JavaScript, functions are anonymous and unlike other languages don't have immutable names. This isn't a huge ...

‘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” ...

At the Build 2018 developer conference that's taking place these days in Seattle, USA, Microsoft announced support for custom JavaScript functions in Excel. What this means is that Excel users will be ...

Even with competition from newer runtimes Deno and Bun, Node.js remains the flagship JavaScript platform on the server. Server-side Node frameworks like Express, build-chain tools like Webpack, and a ...