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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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Advanced JS Execution: Promises, Workers, and Comlink

Advanced JS Execution: Promises, Workers, and Comlink

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10 min read
Understanding the `forEach()` Method in JavaScript

Understanding the `forEach()` Method in JavaScript

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2 min read
How Keyboard Polling Rate Works (With a Free Online Tester)

How Keyboard Polling Rate Works (With a Free Online Tester)

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2 min read
Your Clock Can Go Backward—Use the Right One for Durations

Why system time causes negative latency

Your Clock Can Go Backward—Use the Right One for Durations

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5 min read
I built a free lesson that explains programming to absolute beginners — no jargon, no assumed knowledge

I built a free lesson that explains programming to absolute beginners — no jargon, no assumed knowledge

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1 min read
Free Invoice and Business Document Tools Without Signup

Free Invoice and Business Document Tools Without Signup

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1 min read
Mastering MongoDB Aggregation: From Complex Pipelines to Plain English

Mastering MongoDB Aggregation: From Complex Pipelines to Plain English

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3 min read
Understanding JavaScript Objects: A Beginner's Guide

Understanding JavaScript Objects: A Beginner's Guide

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3 min read
The Quiet Confidence NestJS Gave Me as a Developer

The Quiet Confidence NestJS Gave Me as a Developer

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2 min read
A CSV Viewer That Never Uploads Your Data

A CSV Viewer That Never Uploads Your Data

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1 min read
Anthropic Rewrote Bun in Rust With 64 Claude Agents for $165K. The Real Bill Is Higher

Anthropic Rewrote Bun in Rust With 64 Claude Agents for $165K. The Real Bill Is Higher

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7 min read
How We Made Image Copy-Detection ~1,000,000 Faster — by Refusing to Look at Pixels

How We Made Image Copy-Detection ~1,000,000 Faster — by Refusing to Look at Pixels

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6 min read
We published 1,360 blog posts in five days. Google indexed 69.

We published 1,360 blog posts in five days. Google indexed 69.

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3 min read
Chrome Rejected Us Twice. Firefox Approved Instantly. Edge Is Still Thinking

Chrome Rejected Us Twice. Firefox Approved Instantly. Edge Is Still Thinking

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6 min read
From a Simple JavaScript Calculator to a Useful Real-World Tool

From a Simple JavaScript Calculator to a Useful Real-World Tool

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2 min read
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