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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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Parsing Proxy Lists Safely in Node.js: Formats, Validation, and Secret-Safe Logs

Parsing Proxy Lists Safely in Node.js: Formats, Validation, and Secret-Safe Logs

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4 min read
The arbitrage that wasn't: when two markets are identical but their oracles aren't

The arbitrage that wasn't: when two markets are identical but their oracles aren't

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7 min read
Bulk-adding events to a calendar app: the .ics format from scratch

Bulk-adding events to a calendar app: the .ics format from scratch

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3 min read
Kage: Private Payments for Autonomous AI Agents

Kage: Private Payments for Autonomous AI Agents

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3 min read
I Built a YouTube Thumbnail Downloader With Zero Backend — Here's the Trick

I Built a YouTube Thumbnail Downloader With Zero Backend — Here's the Trick

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4 min read
How to Convert Images to PNG, JPG, and WebP Locally in the Browser

How to Convert Images to PNG, JPG, and WebP Locally in the Browser

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5 min read
Building a React AI Chatbot with Vercel AI SDK v5

Building a React AI Chatbot with Vercel AI SDK v5

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3 min read
Parsing AutoCAD DWG Headers in Pure Client-Side JavaScript (Zero Uploads)

Parsing AutoCAD DWG Headers in Pure Client-Side JavaScript (Zero Uploads)

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2 min read
I found code in my repo I'd never seen. All 82 tests passed. I quarantined it for three days anyway.

I found code in my repo I'd never seen. All 82 tests passed. I quarantined it for three days anyway.

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4 min read
I auto-sorted my 3D printing files without an LLM

I auto-sorted my 3D printing files without an LLM

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6 min read
How to Encrypt PDFs in the Browser with Vue 3 and pdf-lib

How to Encrypt PDFs in the Browser with Vue 3 and pdf-lib

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2 min read
Custom nodes without the props mystery

Custom nodes without the props mystery

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2 min read
pdf-lib throws on Ł. The obvious fix silently deletes your users' data

pdf-lib throws on Ł. The obvious fix silently deletes your users' data

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5 min read
Why await Doesn't Make JavaScript Run in Order

Why await Doesn't Make JavaScript Run in Order

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4 min read
This Tool Lets You Add Themeable Production-Ready Maps Into Your React App 🔥

This Tool Lets You Add Themeable Production-Ready Maps Into Your React App 🔥

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5 min read
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