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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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A Test-Matrix Workflow for Debugging JavaScript Regular Expressions

A Test-Matrix Workflow for Debugging JavaScript Regular Expressions

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6 min read
The Everyday Backend Engineer: Step 5 — The Decorator Pattern

The Everyday Backend Engineer: Step 5 — The Decorator Pattern

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3 min read
How I Built a Timed Quiz Platform with 400+ Questions

How I Built a Timed Quiz Platform with 400+ Questions

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2 min read
The Everyday Backend Engineer: Step 4 — Dependency Injection

The Everyday Backend Engineer: Step 4 — Dependency Injection

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4 min read
Prompt Caching, Batches API, and Model Routing to Cut LLM Costs

Prompt Caching, Batches API, and Model Routing to Cut LLM Costs

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4 min read
Why Next.js Server Components (RSC) are a Game-Changer for SaaS SEO

Why Next.js Server Components (RSC) are a Game-Changer for SaaS SEO

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4 min read
Deterministic Wrong: Why a Viral Web Toy Must Be Wrong the Same Way Every Time

Deterministic Wrong: Why a Viral Web Toy Must Be Wrong the Same Way Every Time

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9 min read
You've been writing this `reduce` a hundred times. `Object.groupBy` does it in one.

You've been writing this `reduce` a hundred times. `Object.groupBy` does it in one.

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4 min read
the Difference Between Site and Origin

the Difference Between Site and Origin

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2 min read
What is CORS and Why Does It Exist?

What is CORS and Why Does It Exist?

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3 min read
I Asked AI to Fix One JavaScript Problem and Gave It the Whole Kitchen 🤖🍳

I Asked AI to Fix One JavaScript Problem and Gave It the Whole Kitchen 🤖🍳

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3 min read
🍪 Cookies and CORS — When Are Cookies Actually Sent?

🍪 Cookies and CORS — When Are Cookies Actually Sent?

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2 min read
I built a quick calculator for a very specific, very Indian problem: Golden Visa math vs RBI's LRS limit

I built a quick calculator for a very specific, very Indian problem: Golden Visa math vs RBI's LRS limit

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3 min read
React Email Tests With Stable Scenario IDs

React Email Tests With Stable Scenario IDs

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4 min read
Why We Built Another Data Grid (and What It Took to Ship It)

Why We Built Another Data Grid (and What It Took to Ship It)

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3 min read
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