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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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I built a standalone ambient music generator with Python and Electron, here's what went wrong (and right)

I built a standalone ambient music generator with Python and Electron, here's what went wrong (and right)

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6 min read
Stop uploading PDFs to random servers! I built a 100% Client-Side PDF Editor in JS 🛡️📄

Stop uploading PDFs to random servers! I built a 100% Client-Side PDF Editor in JS 🛡️📄

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2 min read
I Built a Free Swiss Army Knife API for Developers — 20+ Tools, One Endpoint

I Built a Free Swiss Army Knife API for Developers — 20+ Tools, One Endpoint

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2 min read
My AI Assistant Had Amnesia. So I Built It a Memory System.

My AI Assistant Had Amnesia. So I Built It a Memory System.

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4 min read
Stop Googling "When is the next public holiday?" - Building HolidaySync

Stop Googling "When is the next public holiday?" - Building HolidaySync

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3 min read
How I built a zero-dependency, 100% client-side JWT Verifier using the Web Crypto API

How I built a zero-dependency, 100% client-side JWT Verifier using the Web Crypto API

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4 min read
5 WebCodecs API Patterns That Replace FFmpeg.wasm in 2026

5 WebCodecs API Patterns That Replace FFmpeg.wasm in 2026

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2 min read
JavaScript Promises: I Promise I’ll Explain This Clearly

JavaScript Promises: I Promise I’ll Explain This Clearly

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2 min read
Crunchbase API in 2026: Free Tier Gone — What Startup Data Hunters Do Now

Crunchbase API in 2026: Free Tier Gone — What Startup Data Hunters Do Now

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4 min read
How I fixed React Drag-and-Drop for 100k+ Row Virtual Tables

How I fixed React Drag-and-Drop for 100k+ Row Virtual Tables

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3 min read
J'ai créé DevToolkit — 12 outils gratuits pour développeurs (JSON, JWT, Regex, Base64...)

J'ai créé DevToolkit — 12 outils gratuits pour développeurs (JSON, JWT, Regex, Base64...)

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2 min read
Building a Privacy-First Google Ads Analyzer (No Server, No Data Upload)

Building a Privacy-First Google Ads Analyzer (No Server, No Data Upload)

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2 min read
How to Calculate Age Correctly: The Edge Cases Every Developer Misses

How to Calculate Age Correctly: The Edge Cases Every Developer Misses

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3 min read
I Hid a Secret Message in a Cat Photo and Nobody Noticed for Six Months

I Hid a Secret Message in a Cat Photo and Nobody Noticed for Six Months

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7 min read
React Hooks Explained: A Visual Guide for 2026

React Hooks Explained: A Visual Guide for 2026

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3 min read
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