JS Under the Hood - The Miners

Frontend Concurrency Done Right
A practical guide to implementing sequential, batched, and streamed uploads with concurrency primitives and mutex locks

by Miguel MarcondesAugust 14, 2025February 4, 2026

Raw Portuguese version is here: https://tech-pills.github.io/2025-07-27-frontend-concurrency-control/ Hello there! Hope you’re doing well. The purpose of Tech Pills here is to begin a series of articles …

JavaScript Under the Hood #1: Classes
Understanding how classes work in JavaScript

by Marcio FlavioApril 6, 2023May 26, 2023

If you’re a programmer coming to JavaScript from other languages, you may have heard that JavaScript has "fake" classes. In this article, we’ll explore how …