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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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44 Thumbnails With the Wrong Hair Color: A One-Line Bug and the 300 Lines It Took to Pay It Back

44 Thumbnails With the Wrong Hair Color: A One-Line Bug and the 300 Lines It Took to Pay It Back

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21 min read
Comparing prices across retailers is a unit-normalization problem, not a scraping problem

Comparing prices across retailers is a unit-normalization problem, not a scraping problem

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4 min read
made a pdf toolkit that runs fully in the browser, no uploads — would love some feedback

made a pdf toolkit that runs fully in the browser, no uploads — would love some feedback

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1 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

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2 min read
DOM In JavaScript

DOM In JavaScript

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1 min read
What I Learnt Building UrbanLease (Draft 1)

What I Learnt Building UrbanLease (Draft 1)

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3 min read
Building a Five-Letter Word Filter with Vanilla JavaScript

Building a Five-Letter Word Filter with Vanilla JavaScript

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3 min read
I Built a Local Usage Intelligence Dashboard for Claude Code

I Built a Local Usage Intelligence Dashboard for Claude Code

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1 min read
Why a precise image color picker needs two canvases (one to read pixels, one to draw the loupe)

Why a precise image color picker needs two canvases (one to read pixels, one to draw the loupe)

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4 min read
Primitive vs Non-Primitive Data Types in JavaScript

Primitive vs Non-Primitive Data Types in JavaScript

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3 min read
Hice mi portafolio interactivo 100% desde Android con Termux - GHOST-OS v5

Hice mi portafolio interactivo 100% desde Android con Termux - GHOST-OS v5

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1 min read
Building a 100% Client-Side Word Puzzle Solver with a Trie and DFS

Building a 100% Client-Side Word Puzzle Solver with a Trie and DFS

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5 min read
ESM & CommonJs Javascript Module System. Which one is better?

ESM & CommonJs Javascript Module System. Which one is better?

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1 min read
Reanimated vs Moti vs Skia: Which React Native Animation Library Should You Actually Use?

Reanimated vs Moti vs Skia: Which React Native Animation Library Should You Actually Use?

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3 min read
Warping an image across a deformable mesh in plain Canvas 2D (no WebGL)

Warping an image across a deformable mesh in plain Canvas 2D (no WebGL)

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7 min read
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