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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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One Month After the Hackathon: Why My 4-Service App Stopped Working (and What @mansio Caught in the Verifiers)

Details subtle auth bugs and community PR fixes

One Month After the Hackathon: Why My 4-Service App Stopped Working (and What @mansio Caught in the Verifiers)

27
⭐ Football Update: t/javascript - Info Live Streaming 2026 18
6 min read
Building with the Web Models API

Building with the Web Models API

7
⭐ Football Update: t/javascript - Info Live Streaming 2026
4 min read
A JSON column is a schema decision: measuring 50,000 orders in SQLite and D1

A JSON column is a schema decision: measuring 50,000 orders in SQLite and D1

⭐ Football Update: t/javascript - Info Live Streaming 2026 1
14 min read
How I built a tab manager in 136 KB with zero network calls

How I built a tab manager in 136 KB with zero network calls

⭐ Football Update: t/javascript - Info Live Streaming 2026
8 min read
The won that disappears at the boundary: measuring money rounding in Python, V8, SQLite and D1

The won that disappears at the boundary: measuring money rounding in Python, V8, SQLite and D1

⭐ Football Update: t/javascript - Info Live Streaming 2026 1
13 min read
I built a voice AI admin for small-business websites. Here is what actually broke

I built a voice AI admin for small-business websites. Here is what actually broke

⭐ Football Update: t/javascript - Info Live Streaming 2026
3 min read
A CSV row filter that never uploads your file

A CSV row filter that never uploads your file

1
⭐ Football Update: t/javascript - Info Live Streaming 2026 1
2 min read
Self-defending JavaScript and checksums fail once the attacker can patch the checker

Self-defending JavaScript and checksums fail once the attacker can patch the checker

1
⭐ Football Update: t/javascript - Info Live Streaming 2026 1
4 min read
Your CI artifacts and preview deployments can leak unprotected JavaScript

Your CI artifacts and preview deployments can leak unprotected JavaScript

1
⭐ Football Update: t/javascript - Info Live Streaming 2026 1
4 min read
How I Built a Privacy-First Loan Calculator with Pure HTML and AI

How I Built a Privacy-First Loan Calculator with Pure HTML and AI

⭐ Football Update: t/javascript - Info Live Streaming 2026
2 min read
Making a calculator other sites can embed, on a fully static site

Making a calculator other sites can embed, on a fully static site

⭐ Football Update: t/javascript - Info Live Streaming 2026
3 min read
Parsing bank statement PDFs in the browser, with a CSP that proves nothing gets uploaded

Parsing bank statement PDFs in the browser, with a CSP that proves nothing gets uploaded

⭐ Football Update: t/javascript - Info Live Streaming 2026
6 min read
A 13,000-page static games site with no framework, and the robots.txt rule that hid our CSS from Google

A 13,000-page static games site with no framework, and the robots.txt rule that hid our CSS from Google

⭐ Football Update: t/javascript - Info Live Streaming 2026
3 min read
A deterministic sort key that isn't: the tiebreak your deploy moves

A deterministic sort key that isn't: the tiebreak your deploy moves

⭐ Football Update: t/javascript - Info Live Streaming 2026
4 min read
Electron Internationalization: A Practical Guide to Locale Detection, Message Formatting, RTL, and Runtime Language Switching

Electron Internationalization: A Practical Guide to Locale Detection, Message Formatting, RTL, and Runtime Language Switching

⭐ Football Update: t/javascript - Info Live Streaming 2026
10 min read
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