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JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

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Building a Browser-Based PDF Watermark Tool with pdf-lib and QPDF

Building a Browser-Based PDF Watermark Tool with pdf-lib and QPDF

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7 min read
Building a Browser-Based PDF Unlock Tool with QPDF WebAssembly

Building a Browser-Based PDF Unlock Tool with QPDF WebAssembly

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5 min read
How I Built a Real-Time Cricket Arbitrage Scanner (Bloomberg Terminal Style)

How I Built a Real-Time Cricket Arbitrage Scanner (Bloomberg Terminal Style)

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3 min read
How to Set Up Automatic Translation with i18next and Locize

How to Set Up Automatic Translation with i18next and Locize

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5 min read
.NET Microservices Design Patterns in 2026: A Production-Grade Guide

.NET Microservices Design Patterns in 2026: A Production-Grade Guide

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3 min read
We Use Valtio Instead of Redux. Nobody Regrets It.

We Use Valtio Instead of Redux. Nobody Regrets It.

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3 min read
JavaScript Regex: A Complete Tutorial with Examples (2026)

JavaScript Regex: A Complete Tutorial with Examples (2026)

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4 min read
How JavaScript Async Actually Works (Event Loop, Micro tasks, and Call Stack)

How JavaScript Async Actually Works (Event Loop, Micro tasks, and Call Stack)

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4 min read
How to Test WebSocket Connections in the Browser (No Install Required)

How to Test WebSocket Connections in the Browser (No Install Required)

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4 min read
I Ran Three LLMs Entirely in the Browser to Power an AI Coaching Feature. Here's What I Measured.

I Ran Three LLMs Entirely in the Browser to Power an AI Coaching Feature. Here's What I Measured.

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9 min read
I Asked My AI 'That's Sold Out, Right?' — It Had 5 in Stock and Still Said Yes

I Asked My AI 'That's Sold Out, Right?' — It Had 5 in Stock and Still Said Yes

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5 min read
I Got Tired of Writing Documentation. So I Built a Tool to Do It For Me.

I Got Tired of Writing Documentation. So I Built a Tool to Do It For Me.

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2 min read
eKRS Scraper: Polish Company Financial Data

eKRS Scraper: Polish Company Financial Data

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5 min read
I built a JS framework with zero dependencies. Here's why

I built a JS framework with zero dependencies. Here's why

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1 min read
Object-Oriented Programming (OOP) in JavaScript — Explained in Simple Words

Object-Oriented Programming (OOP) in JavaScript — Explained in Simple Words

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5 min read
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