r/javascript
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Recent social headlines from r/javascript.
Lead story
r/javascript
noslow — open-source middleware that detects slow SQL queries and gives you the fix
The latest
r/javascript
[AskJS] Help with new JavaScript-based object notation format (cuz JSON sucks)
r/javascript
Announcing Angular v22
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[AskJS] What's your preferred approach to idempotency in JavaScript backends?
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Looking for Teammates: Building a Native HTML Component Library (No Shadow DOM)
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TanStack Start Adds First-Class Rsbuild Support
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Showoff Saturday (May 30, 2026)
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[AskJS] How do you handle mock APIs during frontend development — json-server, Postman, or something else?
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[AskJS] If you use prom-client, what metrics are you actually collecting?
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Learnings on building a text editor from scratch (js, wasm-bindgen, rust)
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ts-event-sourcing: How to actually create an event sourcing application
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I built a TypeScript HTTP framework that runs on Node and Cloudflare Workers, v0.1 just released
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Prevent supply chain attacks
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xbrowser — 35+ CLI commands for browser automation (search Google/Bing/Baidu, scrape to Markdown, crawl sites, record/replay, 68 plugins) — MIT licensed
r/javascript
Who is using CVE Lite CLI? Share your use case (OWASP Incubator Project for JS/TS dependency scanning)
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Built a GitHub Action that catches async bugs generated by AI coding tools
r/javascript
Bun’s 1M-line AI Rust rewrite has 13,365 unsafe blocks—and it made me glad I chose to learn Deno
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Show r/javascript: a fully functional in-browser IDE made using webcontainers
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Cladd UI: React UI kit for building actual apps
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[AskJS] Anyone else dealing with auth mess across enterprise clients?
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Kernelplay-JS Update v0.3.0 Sprite & Animation System ECS Game Engine
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[AskJS] Do you think WASM will make JavaScript disappear?
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Looking for feedback about a browser based .sor and .trc analysis tool
r/javascript
JS Crossword - a crossword where the clue = eval(answer)
r/javascript
TrapDoor supply-chain campaign hits npm, PyPI, and Crates.io with AI-assistant poisoning angle
r/javascript
Node.js worker threads are problematic, but they work great for us
r/javascript
You might not need… the repository pattern
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I built an open-source WebRTC library that brings socket.io-style ergonomics to peer-to-peer media and data
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Bitsocial - Open Source P2P Network for Social Apps
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kysely 0.29 is out btw.
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np-audit — Zero-dependency static analyzer that catches malicious npm lifecycle scripts before they execute
r/javascript
I building a ECS Game Engine using javascript
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Showoff Saturday (May 23, 2026)
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A Register-VM JavaScript Engine in Rust with opencode.ai x DeepSeek-v4-Flash
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web-ai-sdk: experimenting with browser-native AI APIs and WebMCP
r/javascript
CReact lets you write your wokrflows using JSX, build durable apps that you can sync with external state, build jobs, agents, infastructure, and more!!
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Staged publishing for npm packages | npm Docs
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A Practical Back End Engineering Roadmap
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Staged publishing for npm packages
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I built a canvas-based timeline visualisation library with virtualised rendering in Typescript
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How I achieved 0ms server costs for my SaaS using Client-side Zip processing making Core of AssetForge Labs
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MikroORM 7.1: LazyRef, per-parent collection limiting, PGlite driver, query cancellation, database triggers, stored procedures, and more
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React Norway 2026 is almost here: last call to join it!
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Built a website for creating a chess engine in JS. Comes with a fast built in move gen and board rep, so you only have to focus on the engine itself. Still supports custom move gen and board rep via UCI.
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TypeScript AI Plugins — Develop locally and deploy anywhere
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Announcing Rstest 0.10
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140+ TypeScript utility types built for my own use over the years, recently open sourced
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QuickPad: A web-based notes app I made
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React QR code library with SVG styling and logo overlay support
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