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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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Your Browser Can Do WHAT?! 5 AI Features That Actually Work

Explores WebGPU and hardware limits

Your Browser Can Do WHAT?! 5 AI Features That Actually Work

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Picked as gem Comments 93
12 min read
The Agent Converted the If/Else Chain to a Lookup Map and Dropped the Side Effect

The Agent Converted the If/Else Chain to a Lookup Map and Dropped the Side Effect

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3 min read
Why 2048 Bet on No Engine and Vanilla JavaScript: The Weekend Web Page Behind a Viral Number Puzzle

Why 2048 Bet on No Engine and Vanilla JavaScript: The Weekend Web Page Behind a Viral Number Puzzle

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9 min read
The Agent Added an Await to a Synchronous Function. The Caller Didn't Notice.

The Agent Added an Await to a Synchronous Function. The Caller Didn't Notice.

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3 min read
JS Reverse Engineering Case Study #3 — Reconstructing Request-Header Signatures

JS Reverse Engineering Case Study #3 — Reconstructing Request-Header Signatures

Comments 1
8 min read
JS Reverse Engineering Case Study #2 — Reconstructing code / timestamp (a Fixed-Salt MD5 Signature)

JS Reverse Engineering Case Study #2 — Reconstructing code / timestamp (a Fixed-Salt MD5 Signature)

Comments 1
6 min read
I built a site where you rate everything. Six silent failures cost me the most.

I built a site where you rate everything. Six silent failures cost me the most.

Comments 3
5 min read
Building a candlestick chart engine on raw Canvas2D (no chart library)

Building a candlestick chart engine on raw Canvas2D (no chart library)

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3 min read
Transparência de Tributos dos Combustíveis: do PDF da Fecombustíveis ao XML do PDV, sem servidor

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

Transparência de Tributos dos Combustíveis: do PDF da Fecombustíveis ao XML do PDV, sem servidor

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3 min read
Transparência de Tributos dos Combustíveis: do PDF da Fecombustíveis ao XML do PDV, sem servidor

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

Transparência de Tributos dos Combustíveis: do PDF da Fecombustíveis ao XML do PDV, sem servidor

Comments
3 min read
I Built a 2-Player Brain Game at a Google Community Event (and Then Leveled It Up)

I Built a 2-Player Brain Game at a Google Community Event (and Then Leveled It Up)

Comments 1
2 min read
Why We Ditched Cloud Storage: Building a Zero-Server Media & P2P Engine with WebRTC & WASM

Why We Ditched Cloud Storage: Building a Zero-Server Media & P2P Engine with WebRTC & WASM

Comments 1
2 min read
How AIClaw 3.7.15 Makes Windows Updates Easier with an Installer

How AIClaw 3.7.15 Makes Windows Updates Easier with an Installer

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Comments
4 min read
Stop asking image models to spell: setting text over AI art with Canvas

Stop asking image models to spell: setting text over AI art with Canvas

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5 min read
Claude Code Git Integration in 2026: How the Agent Reads Diffs, Stages Hunks, and Decides When to Commit

Claude Code Git Integration in 2026: How the Agent Reads Diffs, Stages Hunks, and Decides When to Commit

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11 min read
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