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February 4, 2026

JSter #252 - Libraries and more

Here we JavaScript again.

I wrote a post about my conference themes so you have a better idea what to await from Future Frontend 2026 (8-9.6, Espoo, Finland).

Libraries

  • sprusr/mewmap: Interactive maps powered by SVG 🐈
  • supertalk - A type-safe, unified communication library for Web Workers, Iframes, and Node.js worker threads.
  • jQuery 4.0.0
  • A polyfill for the HTML switch element

Applications

  • JSCAD - JavaScript CAD

Articles

  • A 2x faster Rollup?
  • The Incredible Overcomplexity of the Shadcn Radio Button
  • The 2025 Web Almanac with new insights is available now

Books

  • Free book - Accessibility For Everyone by Laura Kalbag
  • The Micro-Frontend Architecture Handbook

Tutorials

  • Build a dinosaur runner game with Deno, pt. 4

Runtimes

  • Node.js 25.4.0

Security

  • Denial of Service and Source Code Exposure in React Server Components Again
  • CVEs affecting the Svelte ecosystem - Update as soon as you can
  • Node.js — Mitigating Denial-of-Service Vulnerability from Unrecoverable Stack Space Exhaustion for React, Next.js, and APM Users

Tools

  • blackboardsh/electrobun: Build ultra fast, tiny, and cross-platform desktop apps with Typescript.
  • Fontra - The browser based font editor
  • lloydi/PolyPane-Config - Useful polypane configurations for a11y testing
  • kettanaito/playwright-persona: Authentication in Playwright using personas.

Demos

  • Google Balls

News

  • Astro is joining Cloudflare

Browsers

  • Just the Browser

Techniques

  • Replacing Toasts with Accessible User Feedback Patterns
  • Date is out, Temporal is in
  • Using your design system colors with contrast-color()
  • Managing TypeScript Packages in Monorepos
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