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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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3 bugs que encontré auditando mi propio portafolio en React (y que Lighthouse no te explica bien)

3 bugs que encontré auditando mi propio portafolio en React (y que Lighthouse no te explica bien)

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3 min read
🚀 Day 8 of Learning React: Why Doesn't React Use the DOM Directly? Understanding useRef() & React Hook Form

🚀 Day 8 of Learning React: Why Doesn't React Use the DOM Directly? Understanding useRef() & React Hook Form

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5 min read
I was so tried of GTA d3dx9_43.dll errors that i built an CLI

I was so tried of GTA d3dx9_43.dll errors that i built an CLI

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1 min read
The Foundations and Bricks of the Web World

The Foundations and Bricks of the Web World

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2 min read
7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds

7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds

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8 min read
How I Cut Web Upload Payloads by 90% Using a Client-Side Canvas Compression Loop

How I Cut Web Upload Payloads by 90% Using a Client-Side Canvas Compression Loop

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3 min read
The Prompt Loop Problem: When Every Fix Breaks Something Else

The Prompt Loop Problem: When Every Fix Breaks Something Else

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8 min read
CORS + Auth Worked Perfectly Locally, Then Broke the Moment I Deployed (Here's Why)

CORS + Auth Worked Perfectly Locally, Then Broke the Moment I Deployed (Here's Why)

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2 min read
JSON Formatting in JavaScript: A Practical Guide with Real Examples

JSON Formatting in JavaScript: A Practical Guide with Real Examples

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3 min read
URL Encoding Decoded: A Developer's Guide to encodeURI vs encodeURIComponent

URL Encoding Decoded: A Developer's Guide to encodeURI vs encodeURIComponent

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4 min read
WebGPU Explained: The Browser’s New Graphics and Compute Engine

WebGPU Explained: The Browser’s New Graphics and Compute Engine

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11 min read
I'm 18 and built a browser-based AI to draw in the air (No VR headset needed)

I'm 18 and built a browser-based AI to draw in the air (No VR headset needed)

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1 min read
Build a video watch-time heatmap: interval tracker, beacon endpoint, canvas render

Build a video watch-time heatmap: interval tracker, beacon endpoint, canvas render

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5 min read
Building a Transpiler to Migrate over 4,000 Tests to Playwright

Building a Transpiler to Migrate over 4,000 Tests to Playwright

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14 min read
A Test-Matrix Workflow for Debugging JavaScript Regular Expressions

A Test-Matrix Workflow for Debugging JavaScript Regular Expressions

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6 min read
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