loro-extended: A toolkit for building local-first applications and multi-agent systems with Loro

Show HN: BlazeDiff v2 – Fastest image diff with native binary and SIMD

just finished a book on how javascript works, would love your feedback!

NextJS Security Vulnerability

How We Balanced Camera Quality and Bandwidth in Our Scren-sharing App

I built a real-time ASCII camera in the browser (60 FPS, Canvas, TypeScript)

Props for Web Components

Next JavaScript app is hacked, you just don't know it yet

Targeting by Reference in the Shadow DOM

How Websites can Detect Vision-Based AI Agents like Claude Computer Use and Open AI Operator

How to Cultivate an Open-source Platform for learning Japanese from scratch

Anthropic Acquires Bun: Supercharging Claude Code's $1 Billion AI Coding Revolution

I built a serverless file converter using React and WebAssembly (Client-Side)

A blazing-fast, type-safe, and lazy data processing library for TypeScript & JavaScript.

Is anyone using SolidJs in production? What's your experience like?

Two New React 19 Vulnerabilities - two important vulnerabilities in React, Next.js, and other frameworks that require immediate action (neither of these new issues allow for Remote Code Execution)

Built a JavaScript-first AI agent framework + one-click deployment — looking for feedback

PowerShell's curl runs JavaScript code with system access

Optique 0.8.0: Conditional parsing, pass-through options, and LogTape integration

I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in hours

BrowserPod: WebAssembly in-browser code sandboxes for Node, Python, and Rails

The Performance Revolution in JavaScript Tooling

The Big Ideas in Relay

Ultimate-Linux: Userspace for Linux in Pure JavaScript

[email protected] - use your favorite server framework with Vite

Open-source alternative to RunJS

Ask HN: At 34, can I aspire to being more than a JavaScript widget engineer?

Stop writing if statements for your CLI flags

C-style scanning in JS (no parsing)

Complexity Ceilings and Licensing Wars: My 2026 Predictions

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