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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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Build a country-by-country price index with an AI agent (one MCP server, no scraping stack)

Build a country-by-country price index with an AI agent (one MCP server, no scraping stack)

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6 min read
I built a CLI toolkit

I built a CLI toolkit

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1 min read
Pre-rendering a 160-post React SPA with react-snap: the gotcha that silently breaks your SEO

Pre-rendering a 160-post React SPA with react-snap: the gotcha that silently breaks your SEO

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3 min read
Offline Sync in the Browser Without a Framework

Offline Sync in the Browser Without a Framework

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4 min read
Stop logging PII: a configurable Node.js sanitizer logger

Stop logging PII: a configurable Node.js sanitizer logger

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4 min read
useOptimistic in React 19: Patterns and Pitfalls from Real Forms

useOptimistic in React 19: Patterns and Pitfalls from Real Forms

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2 min read
React Approval Emails Without Effect Loops

React Approval Emails Without Effect Loops

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4 min read
What a Refinery Taught Me About CI Pipelines

What a Refinery Taught Me About CI Pipelines

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2 min read
Your Backend is Making Users Wait 7 Seconds. Here's the Fix.

Your Backend is Making Users Wait 7 Seconds. Here's the Fix.

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5 min read
I Added PDF-to-Word, PDF-to-JPG, and PDF-to-PowerPoint to My Privacy-First File Tools Site

I Added PDF-to-Word, PDF-to-JPG, and PDF-to-PowerPoint to My Privacy-First File Tools Site

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2 min read
The Hotel Upgrade Hack: Mass Assignment Vulnerabilities in APIs

The Hotel Upgrade Hack: Mass Assignment Vulnerabilities in APIs

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6 min read
I Hardcoded a Recursion Demo Into My Binary Converter and I Regret Nothing

I Hardcoded a Recursion Demo Into My Binary Converter and I Regret Nothing

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3 min read
Kill the Server: Why Holepunch Threw Away Node.js and Built 'Bare'

Kill the Server: Why Holepunch Threw Away Node.js and Built 'Bare'

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4 min read
Your React Native Performance Problem May Actually Be a Memory Leak

Your React Native Performance Problem May Actually Be a Memory Leak

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8 min read
I Built a Chrome Dictionary Extension in 2 Weeks:

I Built a Chrome Dictionary Extension in 2 Weeks:

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4 min read
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