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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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Yes, {} + [] = 0. No, JavaScript Isn’t Broken

Born from airport boredom and spec quirks
sylwia-lask profile

Yes, {} + [] = 0. No, JavaScript Isn’t Broken

#javascript #webdev #node #programming
144
Picked as gem Comments 111
5 min read
Are You a Web Developer or a Browser Expert? 7 Tests I Failed Building a Photo Editor That Never Uploads Your Photos
akhourianmolkumar profile

Are You a Web Developer or a Browser Expert? 7 Tests I Failed Building a Photo Editor That Never Uploads Your Photos

#webdev #javascript #ai #tutorial
36
Comments 89
7 min read
How to configure a Web Performance Budget with Lighthouse CI
jacobandrewsky profile

How to configure a Web Performance Budget with Lighthouse CI

#performance #webdev #javascript #tutorial
Comments
2 min read
Claude Code Custom System Prompts in 2026: Overriding Defaults, Appending Instructions, and What You Cannot Change
jsmanifest profile

Claude Code Custom System Prompts in 2026: Overriding Defaults, Appending Instructions, and What You Cannot Change

#typescript #ai #javascript #webdev
1
Comments
13 min read
From a 2017 Experiment to 800+ Commits: What Building Retro Paddle Taught Me
chris_creative_code profile

From a 2017 Experiment to 800+ Commits: What Building Retro Paddle Taught Me

#showdev #gamedev #javascript #webdev
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6 min read
Scoring a "You Won!" Message: The Pattern Checks Behind Our Scam Checkers
reallyoffers profile

Scoring a "You Won!" Message: The Pattern Checks Behind Our Scam Checkers

#javascript #webdev #security
Comments
5 min read
Why I Built a 100% In-Browser Privacy Toolkit (And How to Manipulate PDFs in Memory Without a Backend)
toolnexus profile

Why I Built a 100% In-Browser Privacy Toolkit (And How to Manipulate PDFs in Memory Without a Backend)

#webdev #javascript #opensource #programming
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5 min read
Running ffmpeg, Whisper and background removal in the browser: lessons learned
dennykot profile

Running ffmpeg, Whisper and background removal in the browser: lessons learned

#webassembly #javascript #machinelearning #performance
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3 min read
Counting LZW codes to see why dithered GIFs come out bigger
iterandum profile

Counting LZW codes to see why dithered GIFs come out bigger

#webdev #javascript
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4 min read
Extracting text from a PDF without a PDF library: the T* trap
ii-x-ai profile
ii-x

Extracting text from a PDF without a PDF library: the T* trap

#showdev #pdf #javascript #programming
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3 min read
Turning a Shopify store into a full website with Buy Buttons
weinc profile
WeInc

Turning a Shopify store into a full website with Buy Buttons

#javascript #tutorial #webdev
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5 min read
Mitigating CVE-2026-118759: Why Token Inspection Must Be 100% Client-Side
devomnitools profile

Mitigating CVE-2026-118759: Why Token Inspection Must Be 100% Client-Side

#security #webdev #javascript #devops
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2 min read
We Migrated 10,144 Tests from Jest to Vitest in 3 Weeks: The Honest, AI-Assisted Truth
dnaiele profile

We Migrated 10,144 Tests from Jest to Vitest in 3 Weeks: The Honest, AI-Assisted Truth

#javascript #testing #vitest #ai
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8 min read
Carte vectorielle de la Tunisie avec MapLibre et TMaps
tmaps profile

Carte vectorielle de la Tunisie avec MapLibre et TMaps

#javascript #webdev #tutorial #maplibre
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4 min read
Carte de la Tunisie sur votre site web en 10 minutes
tmaps profile

Carte de la Tunisie sur votre site web en 10 minutes

#javascript #webdev #tutorial #leaflet
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4 min read
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