Functions & Generics

How to control this in JavaScript without losing your mind. Introduction Few things confuse JavaScript developers more than this. It behaves differently depending on how a function is called. To make matters worse, we also have three helpers—bind, call, and apply—that let us manually control this. Good news: these aren’t magic. Once you see the patterns,…

How to break functions into bite-sized calls for flexibility, reuse, and clarity in JavaScript. Introduction At first glance, function currying feels like one of those “fancy functional programming ideas” that you’ll never actually use in day-to-day development. But once you understand it, you’ll see it everywhere — from event handlers to config builders to React hooks. Currying…