The Dev Academy Blog
Practical, no-fluff articles on JavaScript fundamentals, common gotchas, and the concepts that keep showing up in interviews.
Closures, Scope, and Memory: How the Garbage Collector Decides What to Keep
Everyone learns closures as "a function that remembers its outer variables." But there's a question most tutorials skip: why does that memory stick around instead of getting cleared like a normal local variable would?
Debouncing vs Throttling in JavaScript
Learn the difference between Debouncing and Throttling in JavaScript with simple examples, real-world use cases, and implementations.
5 Array Methods You Should Actually Be Using
Beyond map, filter, and reduce — a look at five underused array methods that quietly clean up a lot of everyday JavaScript code.
The Event Loop, Explained With Real Output
JavaScript is single-threaded, so how does it run async code without blocking? A walk through the call stack, the microtask queue, and the macrotask queue with real predict-the-output examples.
Understanding Closures in JavaScript
A practical walkthrough of what closures actually are, why they exist, and how to use them for data privacy, memoization, and function factories.
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