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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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Debugging Node.js Like a Pro

Debugging Node.js Like a Pro

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3 min read
Make Basic HTML Analysis More Difficult

Make Basic HTML Analysis More Difficult

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1 min read
Stop a Malicious postinstall Script Cold With One CircleCI Config Change

Stop a Malicious postinstall Script Cold With One CircleCI Config Change

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3 min read
Build an AI Agent with Node.js: Tool Calling with the OpenAI Responses API

Build an AI Agent with Node.js: Tool Calling with the OpenAI Responses API

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6 min read
No accounts meant no license server — so my $19 one-time SaaS signs its keys with ECDSA P-256

No accounts meant no license server — so my $19 one-time SaaS signs its keys with ECDSA P-256

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5 min read
Your generated file is the claim. Test it like one: reading a theorem back out of a WAV

Your generated file is the claim. Test it like one: reading a theorem back out of a WAV

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10 min read
Building File Utilities That Run 100% in the Browser

Building File Utilities That Run 100% in the Browser

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1 min read
I Built ChessIQ to Train Positional Chess Evaluation, Not Just Tactics

I Built ChessIQ to Train Positional Chess Evaluation, Not Just Tactics

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4 min read
Why I Built a No-Signup QR & URL Utility Platform (And How to Use the API)

Why I Built a No-Signup QR & URL Utility Platform (And How to Use the API)

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2 min read
Computing WHO growth percentiles on-device

Computing WHO growth percentiles on-device

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7 min read
Enforcing a style rule with a linter that actually fails the build

Enforcing a style rule with a linter that actually fails the build

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5 min read
We caught a SQL injection with an offline AI security scanner — here's the exact query it found

We caught a SQL injection with an offline AI security scanner — here's the exact query it found

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3 min read
The Background-Tab Bug I Missed in My JavaScript Polling Code

The Background-Tab Bug I Missed in My JavaScript Polling Code

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6 min read
How to Run FFmpeg in the Browser with WebAssembly (WASM): The Ultimate Guide to Client-Side Video Processing

How to Run FFmpeg in the Browser with WebAssembly (WASM): The Ultimate Guide to Client-Side Video Processing

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8 min read
Your AI Rewrite Changed the Date. Here’s How KeepFacts Catches It Locally

Your AI Rewrite Changed the Date. Here’s How KeepFacts Catches It Locally

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6 min read
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