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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 I used Cloudflare Pages + GitHub API as a free backend for a family caregiving app

How I used Cloudflare Pages + GitHub API as a free backend for a family caregiving app

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6 min read
How I Stopped Node.js from Freezing While Bulk-Processing 1,500+ Excel Rows

How I Stopped Node.js from Freezing While Bulk-Processing 1,500+ Excel Rows

1
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4 min read
3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)

3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)

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3 min read
3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)

3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)

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3 min read
Math.random() Is Not Secure. I Found It Generating API Keys in a 44K-Star Repo.

Math.random() Is Not Secure. I Found It Generating API Keys in a 44K-Star Repo.

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5 min read
jQuery

jQuery

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1 min read
Node.js Streams: The Practical Guide (2026)

Node.js Streams: The Practical Guide (2026)

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5 min read
Blog Comment System on Firebase: XSS Protection and $0 Cost

Blog Comment System on Firebase: XSS Protection and $0 Cost

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6 min read
How I Built a Live Football Platform That Doesn't Fall Apart Under Load

How I Built a Live Football Platform That Doesn't Fall Apart Under Load

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5 min read
A 230-Line Chrome MV3 Extension That Copies the Page Selection as Markdown — Without `<all_urls>`

A 230-Line Chrome MV3 Extension That Copies the Page Selection as Markdown — Without `<all_urls>`

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6 min read
ModelChain: Measurable LLM Router with Adaptive Model Selection, Real-Time Scoring, Budget Guards and Failover for Node.js, Edge and Browser

ModelChain: Measurable LLM Router with Adaptive Model Selection, Real-Time Scoring, Budget Guards and Failover for Node.js, Edge and Browser

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3 min read
I replaced 12 bookmarked tool sites with one I built myself

I replaced 12 bookmarked tool sites with one I built myself

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4 min read
Stop Storing Plaintext in Browser Cookies — Use AES-GCM Encryption Instead

Stop Storing Plaintext in Browser Cookies — Use AES-GCM Encryption Instead

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8 min read
I built two Etsy SEO tools in 14 days — full stack breakdown (Cloudflare Workers + KV + Stripe)

I built two Etsy SEO tools in 14 days — full stack breakdown (Cloudflare Workers + KV + Stripe)

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3 min read
I built a Chrome extension that shows your ChatGPT token usage in real-time

I built a Chrome extension that shows your ChatGPT token usage in real-time

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1 min read
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