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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!

Posts

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How I Built a Habit Tracker With Living Trees Using React and Firebase at 17

How I Built a Habit Tracker With Living Trees Using React and Firebase at 17

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4 min read
Migrating from gl-transitions to @vysmo/transitions: the diff that matters

Migrating from gl-transitions to @vysmo/transitions: the diff that matters

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7 min read
Handling Real-Time HK Stock Quotes Without Timeouts: A WebSocket Approach

Handling Real-Time HK Stock Quotes Without Timeouts: A WebSocket Approach

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2 min read
A Browser IPv4 CIDR Calculator — Three JavaScript Gotchas (uint32 Coercion, /0 Shift Trap, RFC 3021 /31)

A Browser IPv4 CIDR Calculator — Three JavaScript Gotchas (uint32 Coercion, /0 Shift Trap, RFC 3021 /31)

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5 min read
I built a free GPA & student loan calculator site with pure HTML/CSS/JS — here's what I learned

I built a free GPA & student loan calculator site with pure HTML/CSS/JS — here's what I learned

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2 min read
Why i built pdftopixel.com

Why i built pdftopixel.com

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1 min read
🌈 The ultimate polymorphism: PureScript as a universal language (Node's V8, Erlang's BEAM, Chez Scheme...)

🌈 The ultimate polymorphism: PureScript as a universal language (Node's V8, Erlang's BEAM, Chez Scheme...)

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8 min read
I built a React + Material-UI portfolio template — 198 forks later, here's how it works

I built a React + Material-UI portfolio template — 198 forks later, here's how it works

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2 min read
JavaScript Performance: 8 Fixes That Actually Matter (2026)

JavaScript Performance: 8 Fixes That Actually Matter (2026)

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4 min read
Runtime Agent Governance for AI Agents in JavaScript and Node.js

Runtime Agent Governance for AI Agents in JavaScript and Node.js

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4 min read
How does it add up?

How does it add up?

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7 min read
Why I Built All 170 Tools to Run in the Browser (And What I Learned)

Why I Built All 170 Tools to Run in the Browser (And What I Learned)

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2 min read
Client-Side Image Processing: Why Your Images Should Never Leave Your Browser

Client-Side Image Processing: Why Your Images Should Never Leave Your Browser

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2 min read
I built 30 free developer tools in 4 weeks after work — here's everything I learned

I built 30 free developer tools in 4 weeks after work — here's everything I learned

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4 min read
React 19.2: Activity, useEffectEvent & React Compiler — A Practical Deep Dive (2026)

React 19.2: Activity, useEffectEvent & React Compiler — A Practical Deep Dive (2026)

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4 min read
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