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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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8 days. Meta's Threads web app. Now a responsive website.

8 days. Meta's Threads web app. Now a responsive website.

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1 min read
I Built a Browser-Only HTTP Header Analyzer — Security Scoring, Missing Header Warnings, 147 Tests

I Built a Browser-Only HTTP Header Analyzer — Security Scoring, Missing Header Warnings, 147 Tests

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3 min read
Stop using external npm packages just to generate a UUID v4

Stop using external npm packages just to generate a UUID v4

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1 min read
Idempotency Keys: The API Safety Net You're Probably Not Using

Idempotency Keys: The API Safety Net You're Probably Not Using

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4 min read
Perceptual Engine — A Rendering Engine That Predicts User Movement

Perceptual Engine — A Rendering Engine That Predicts User Movement

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3 min read
`act` vs. `waitFor`

`act` vs. `waitFor`

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5 min read
How to Build a Content Similarity Checker to Avoid Duplicate AI Output

How to Build a Content Similarity Checker to Avoid Duplicate AI Output

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8 min read
useContext Hook in React

useContext Hook in React

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1 min read
Custom e-commerce on Firebase: catalog, atomic orders and admin panel

Custom e-commerce on Firebase: catalog, atomic orders and admin panel

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6 min read
CĂłmo solucionar el bucle infinito en `useEffect` con objetos y arrays

CĂłmo solucionar el bucle infinito en `useEffect` con objetos y arrays

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2 min read
Stop trusting environment variables in your TypeScript apps

Stop trusting environment variables in your TypeScript apps

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5 min read
Where Did All the Code Playgrounds Go?

Where Did All the Code Playgrounds Go?

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5 min read
An npm Downloads Comparison Chart in 300 Lines of Vanilla JS — Nice-Tick Math and API-Direct Fetch

An npm Downloads Comparison Chart in 300 Lines of Vanilla JS — Nice-Tick Math and API-Direct Fetch

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5 min read
Stop Pasting Your JWT Tokens Into Random Websites

Stop Pasting Your JWT Tokens Into Random Websites

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6 min read
Extendscript Still Has Life

Extendscript Still Has Life

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2 min read
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