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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 to Convert Supplier CSVs to Shopify/Amazon/WooCommerce Without Uploading to a Server

How to Convert Supplier CSVs to Shopify/Amazon/WooCommerce Without Uploading to a Server

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3 min read
TypeScript 6.0 `isolatedDeclarations`: What It Actually Replaces and Why It Matters

TypeScript 6.0 `isolatedDeclarations`: What It Actually Replaces and Why It Matters

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8 min read
Introducing CommentIQ: On-Device AI for YouTube Comment Analysis

Introducing CommentIQ: On-Device AI for YouTube Comment Analysis

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4 min read
10 Cool CodePen Demos (June 2026)

10 Cool CodePen Demos (June 2026)

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3 min read
When an old business web app needs IE mode, and when it does not

When an old business web app needs IE mode, and when it does not

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3 min read
How to Build an Unlocked AI Agent for Browser Automation with Node.js, Bright Data, Gemini, and Playwright

How to Build an Unlocked AI Agent for Browser Automation with Node.js, Bright Data, Gemini, and Playwright

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20 min read
Drizzle ORM Migrations: push vs migrate (and what actually belongs in production)

Drizzle ORM Migrations: push vs migrate (and what actually belongs in production)

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1 min read
Why Calculating Age Is Harder Than Most Developers Think

Why Calculating Age Is Harder Than Most Developers Think

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2 min read
useRef in React

useRef in React

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1 min read
a width check said the string was safe to cut. it split a kanji in half.

a width check said the string was safe to cut. it split a kanji in half.

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7 min read
How I built a clean Compound Interest Calculator in Vanilla JS

How I built a clean Compound Interest Calculator in Vanilla JS

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1 min read
Frontend Interview Guide: Understanding Every Rendering Strategy

Frontend Interview Guide: Understanding Every Rendering Strategy

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7 min read
The Hidden Danger in React Server Actions: How to Prevent Accidental Data Leaks

The Hidden Danger in React Server Actions: How to Prevent Accidental Data Leaks

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3 min read
I Built a Random Letter Tool - Teachers Showed Me What It Was Really For.

I Built a Random Letter Tool - Teachers Showed Me What It Was Really For.

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4 min read
From Axios to alova: how we cut 80 lines to 5

From Axios to alova: how we cut 80 lines to 5

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3 min read
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