Hi, I'm al-husayn - developer, writer, and lifelong learner.
This blog is a space for sharing practical guides, deep dives, and stories from my journey in software development.
8 published articles
4 core topics covered
The mission is simple: help developers learn core concepts, build practical projects, and share knowledge that helps the next person move faster.
You'll find practical guides, architecture breakdowns, and lessons from real implementation work, written to be useful in day-to-day engineering.
From the blog
March 10, 2026 • 31 min read
Learn how the JavaScript event loop handles async code. Understand the call stack, task queue, microtasks, and why Promises always run before setTimeout().
JavaScript
March 5, 2026 • 26 min read
Learn JavaScript scope and closures. Understand the three types of scope, var vs let vs const, lexical scoping, the scope chain, and closure patterns for data privacy.
JavaScript
February 24, 2026 • 35 min read
Learn JavaScript equality: == vs ===, typeof quirks, and Object.is(). Understand type coercion and why NaN !== NaN.
JavaScript
