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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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Three silent bugs in a portfolio tracker's math (and how we stopped them coming back)
alinaderlou profile

Three silent bugs in a portfolio tracker's math (and how we stopped them coming back)

#webdev #javascript #testing #fintech
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3 min read
Intersection Observer API
godofgeeks profile

Intersection Observer API

#frontend #javascript #performance #webdev
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9 min read
How a Scoreboard Keeps Responsive Layout and Game State in Sync
yuntao_lin profile

How a Scoreboard Keeps Responsive Layout and Game State in Sync

#javascript #vue #games
1
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4 min read
WordCraft Explained: Install, Edit DOCX, and Export PDF
faizan050 profile

WordCraft Explained: Install, Edit DOCX, and Export PDF

#webdev #javascript #tutorial
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11 min read
eval() in a straitjacket: running user JavaScript under a strict CSP
murraylr profile

eval() in a straitjacket: running user JavaScript under a strict CSP

#javascript #security #webdev #csp
1
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14 min read
Talk2Invoice: Turn a Job Note Into a Client-Ready Draft With Open-Weight AI

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸
acceptedsoul_11 profile

Talk2Invoice: Turn a Job Note Into a Client-Ready Draft With Open-Weight AI

#devchallenge #hf26challenge #opensource #javascript
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4 min read
Routing uploads to PNG-8 or WebP by content: the thumbnail, the fallback and the regression check
iterandum profile

Routing uploads to PNG-8 or WebP by content: the thumbnail, the fallback and the regression check

#webdev #javascript
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5 min read
We built four chats. Obviously, that was the sensible thing to do.
dmitry_korolev_ecef498a64 profile

We built four chats. Obviously, that was the sensible thing to do.

#webdev #javascript #architecture #ai
1
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7 min read
Why Are QR SaaS Startups Charging $45/Month for ISO/IEC 18004? The Browser Holds The Key.
khaithisran profile

Why Are QR SaaS Startups Charging $45/Month for ISO/IEC 18004? The Browser Holds The Key.

#showdev #javascript #webdev #opensource
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6 min read
Cross-Tab and Cross-Browser Communication
zeeshanali0704 profile

Cross-Tab and Cross-Browser Communication

#frontend #javascript #tutorial #webdev
1
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16 min read
I Built a Zero-Backend Markdown Previewer in 40 Lines of JS
bowentse profile

I Built a Zero-Backend Markdown Previewer in 40 Lines of JS

#tutorial #javascript #webdev #beginners
1
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4 min read
Next.js SEO Checklist: 8 Things Developers Often Miss (2026)
aarju_65aa7988cf profile

Next.js SEO Checklist: 8 Things Developers Often Miss (2026)

#developers #webdev #javascript #nextjs
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3 min read
Cómo funciona el test de ideología política 12 Axes: matemáticas, privacidad y 12 ejes
peacoke profile

Cómo funciona el test de ideología política 12 Axes: matemáticas, privacidad y 12 ejes

#spanish #webdev #javascript #algorithms
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3 min read
Building a Real-Time Quant Trading Terminal in the Browser (Without React Frame Drops)
khalidabdullahh profile

Building a Real-Time Quant Trading Terminal in the Browser (Without React Frame Drops)

#ai #webdev #react #javascript
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3 min read
The 4 Caching Layers in Next.js App Router, in One Table
jackson_s_33a25dbcc9fc24e profile

The 4 Caching Layers in Next.js App Router, in One Table

#nextjs #react #webdev #javascript
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2 min read
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