
Understanding the Event Loop, Web APIs, and Concurrency without losing your sanity Introduction You’ve probably heard this before: “JavaScript is single-threaded.”…

Demystifying one of JavaScript’s most misunderstood concepts — with clear rules, examples, and gotchas. Introduction If you’ve ever seen an error like: ReferenceError:…

Build a tiny, fast, chainable utility library from scratch — complete with lazy evaluation, mixins, and TypeScript types. Introduction Fluent, chainable APIs…

Speeding up expensive function calls with caching strategies you can write by hand Introduction Every developer has faced this: a function…

Why Immediately Invoked Function Expressions still matter in modern JavaScript. Introduction Before ES6 modules, IIFEs (Immediately Invoked Function Expressions) were…

Two cousins in functional programming that look similar, but serve different purposes. Introduction If you’ve been around JavaScript long enough,…

How to control this in JavaScript without losing your mind. Introduction Few things confuse JavaScript developers more than this. It behaves…

How to break functions into bite-sized calls for flexibility, reuse, and clarity in JavaScript. Introduction At first glance, function currying…

Practical patterns, gotchas, and copy-paste snippets to leverage prototypes without classes or constructors. Introduction Most of us learn JavaScript inheritance…

Understanding the two faces of inheritance in JavaScript — syntax sugar vs raw mechanics, and which one you should use today. Introduction If…