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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 fixed the bug that stopped the app from working. 258 people follow me here. Zero have signed up. This post is me asking why.
forkcount profile

I fixed the bug that stopped the app from working. 258 people follow me here. Zero have signed up. This post is me asking why.

#showdev #webdev #javascript #buildinpublic
Comments
3 min read
How Progressive Slab Calculators Work (with a JavaScript Example)
moarij0 profile

How Progressive Slab Calculators Work (with a JavaScript Example)

#javascript #beginners #webdev
Comments
2 min read
A 3x3 median cut my OCR errors from 11 to 2, then broke a half-size scan
iterandum profile

A 3x3 median cut my OCR errors from 11 to 2, then broke a half-size scan

#webdev #javascript
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4 min read
Online multiplayer with no game server: WebRTC invite links and a browser as referee
jahid1030 profile

Online multiplayer with no game server: WebRTC invite links and a browser as referee

#webrtc #javascript #gamedev #webdev
1
Comments
6 min read
Why TypeScript Forgets Your Narrowing Inside a Callback, and What 5.4 Fixed
gabrielanhaia profile

Why TypeScript Forgets Your Narrowing Inside a Callback, and What 5.4 Fixed

#typescript #javascript #webdev #programming
1
Comments
7 min read
Turn a folder of product photos into videos with an image-to-video API (Python and Node)
arib_khan_ba8305927b74917 profile

Turn a folder of product photos into videos with an image-to-video API (Python and Node)

#python #javascript #ai #video
Comments
8 min read
Document photos are specified in millimetres. Your canvas works in pixels.
passportsizephoto profile

Document photos are specified in millimetres. Your canvas works in pixels.

#javascript #webdev #tutorial
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4 min read
Math.round(x * 100) / 100 rounds 1.005 to 1: the rounding bug in our unit tables
skibuff profile

Math.round(x * 100) / 100 rounds 1.005 to 1: the rounding bug in our unit tables

#javascript #python #webdev #testing
Comments 1
4 min read
One source of truth for math, tests and SEO copy: building a calculator site with Eleventy
devstone profile

One source of truth for math, tests and SEO copy: building a calculator site with Eleventy

#eleventy #javascript #webdev #testing
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5 min read
The first proof no human could read
pgardunoc profile

The first proof no human could read

#algorithms #javascript #ai #computerscience
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5 min read
spain-holidays: all 2027 public holidays of Spain, per region, as an npm package
rb9744 profile
RB9744

spain-holidays: all 2027 public holidays of Spain, per region, as an npm package

#javascript #npm #opensource #dataset
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2 min read
School holidays of Lower Saxony 2025-2030 as JSON, CSV and ICS (from the official Ferienordnung)
rb9744 profile
RB9744

School holidays of Lower Saxony 2025-2030 as JSON, CSV and ICS (from the official Ferienordnung)

#dataset #opensource #javascript #germany
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2 min read
Checking AI slides with a vision model in TypeScript
feliperohdee profile

Checking AI slides with a vision model in TypeScript

#typescript #javascript #ai #tutorial
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5 min read
Romanian CNP Validator in TypeScript, Zod and React
serbanrusu profile

Romanian CNP Validator in TypeScript, Zod and React

#typescript #javascript #security #react
Comments
16 min read
Why I Built an In-Browser Tool to Stitch PDFs into 1 Continuous PNG (Without Annoying ZIP Files)
prime_ox_b06f802fbd1f198a profile

Why I Built an In-Browser Tool to Stitch PDFs into 1 Continuous PNG (Without Annoying ZIP Files)

#showdev #webdev #javascript #performance
Comments
2 min read
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