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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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I Built a QR Code Generator in Pure Vanilla JS — No Libraries, No Server, 202 Tests

I Built a QR Code Generator in Pure Vanilla JS — No Libraries, No Server, 202 Tests

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5 min read
Generate MD5, SHA-1, SHA-256, and SHA-512 Hashes Instantly in Your Browser

Generate MD5, SHA-1, SHA-256, and SHA-512 Hashes Instantly in Your Browser

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3 min read
You Don't Use Linked Lists. But They're Running Half Your Software.

You Don't Use Linked Lists. But They're Running Half Your Software.

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9 min read
How I Built 100 Browser-Based Image Tools With No Server (FFmpeg WASM, PDF-lib, AI Background Removal)

How I Built 100 Browser-Based Image Tools With No Server (FFmpeg WASM, PDF-lib, AI Background Removal)

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4 min read
agentfit: Trim Agent Message History to Fit Your Context Window

agentfit: Trim Agent Message History to Fit Your Context Window

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5 min read
agenttrace: Track Cost and Latency Across Every LLM Call in Your Agent

agenttrace: Track Cost and Latency Across Every LLM Call in Your Agent

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5 min read
agentcast: Validate and Retry LLM JSON Responses Until They Match Your Schema

agentcast: Validate and Retry LLM JSON Responses Until They Match Your Schema

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5 min read
agentsnap: Jest-Style Snapshot Tests for AI Agent Tool Calls

agentsnap: Jest-Style Snapshot Tests for AI Agent Tool Calls

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5 min read
agentguard: Network Egress Allowlist for AI Agent Tools

agentguard: Network Egress Allowlist for AI Agent Tools

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5 min read
Understanding JavaScript Data Types: A Guide for Beginners

Understanding JavaScript Data Types: A Guide for Beginners

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2 min read
Is This How We'll Build Websites Soon? (webMCP Live Demo 🚀)

Chrome's experimental protocol for AI agents

Is This How We'll Build Websites Soon? (webMCP Live Demo 🚀)

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4 min read
Let Equals Equal Equals

Let Equals Equal Equals

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9 min read
ChatGPT Can't Render Your Site. Here's What Happens When You Ask it to Audit One Anyway.

ChatGPT Can't Render Your Site. Here's What Happens When You Ask it to Audit One Anyway.

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6 min read
I built a privacy-first JSON viewer for Chrome after I got tired of waiting

I built a privacy-first JSON viewer for Chrome after I got tired of waiting

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3 min read
bitte-telegram-launcher: Turn Any Bitte Agent into a Telegram Bot

bitte-telegram-launcher: Turn Any Bitte Agent into a Telegram Bot

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5 min read
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