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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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How Korean naming houses use birth elements, and how I built a simplified version in the browser

How Korean naming houses use birth elements, and how I built a simplified version in the browser

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6 min read
What if my Supabase service_role key is in the front end?

What if my Supabase service_role key is in the front end?

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2 min read
Progressive vs baseline JPEG with mozjpeg: the byte difference

Progressive vs baseline JPEG with mozjpeg: the byte difference

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4 min read
Dead Air: a ghost station running on my own CPU

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Dead Air: a ghost station running on my own CPU

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4 min read
I shipped one SDK for React, Vue, Angular, Svelte and vanilla JS. Each framework broke it differently

I shipped one SDK for React, Vue, Angular, Svelte and vanilla JS. Each framework broke it differently

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5 min read
Storing Japanese pitch accent as one number (and rendering it in 15 lines of JS)

Storing Japanese pitch accent as one number (and rendering it in 15 lines of JS)

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3 min read
I tested my browser-based email checkers against dkimpy, checkdmarc and pyspf: 12,618 results, 76 disagreements

I tested my browser-based email checkers against dkimpy, checkdmarc and pyspf: 12,618 results, 76 disagreements

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7 min read
View Transitions: animate any DOM change with one call

View Transitions: animate any DOM change with one call

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5 min read
The Tests Are Green. Did the Agent Follow the Spec?

The Tests Are Green. Did the Agent Follow the Spec?

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8 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
73% of firebase-admin downloads are still on v13 or older, 4 months after v14

73% of firebase-admin downloads are still on v13 or older, 4 months after v14

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3 min read
How to Test a Website Lead Form Before Launch

How to Test a Website Lead Form Before Launch

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5 min read
React has Two Kinds of Data

React has Two Kinds of Data

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2 min read
new Date('2026-10-25') Shows October 24 West of Greenwich, and a Day Filter Built on It Is Off Everywhere but UTC

new Date('2026-10-25') Shows October 24 West of Greenwich, and a Day Filter Built on It Is Off Everywhere but UTC

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9 min read
How we built a plan-to-3D house walkthrough that runs entirely in the browser

How we built a plan-to-3D house walkthrough that runs entirely in the browser

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4 min read
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