JavaScript news and development updates from RunJS, the JavaScript playground for your desktop.

Joined March 2019
RunJS ❤️ JavaScript retweeted
Stumbled on this gem: Music Theory for Programmers. As a coder who plays piano, seeing scales & chords built from pure math + JS arrays? Absolute mind-blow 🎹#MusicTheory #Programming #Piano #Coding @RunJS_app runjs.app/blog/music-theory-…
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RunJS ❤️ JavaScript retweeted
I can't play an instrument, so I figured out music theory in JavaScript instead. I now understand why there are 12 notes and why notes in the same key sound good 🎶 I've written up my findings with code examples you can run and hear.
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RunJS ❤️ JavaScript retweeted
When I need to test some npm library or code snippet - I use @RunJS_app - it's so damn convenient! Looks like they have a black friday discount with a code: BLACKFRIDAY2025. Don't miss your chance!
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The latest version of RunJS is here, featuring expanded AI integration with new providers like Gemini, Ollama, Mistral, and Anthropic. Download it at runjs.app
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RunJS ❤️ JavaScript retweeted
Replying to @RunJS_app
@RunJS_app is the perfect study buddy — a fast, simple tool to experiment with JavaScript. No setup, instant results, just pure coding fun. #JavaScript #Coding
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RunJS 3.1.0 is here. Including exciting new features and improvements, such as Magic Comments - a new way to instantly see the value of any expression anywhere in your code. runjs.app/ #JavaScript
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A Flowing WebGL Gradient, Deconstructed — This article offers a thorough introduction to writing WebGL shaders with gradient noise, breaking down the math and techniques involved in creating captivating visual effects. alexharri.com/blog/webgl-gra…
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Fastify + React shows impressive speed, being 7x faster than Next.js. With a mature Vite integration plugin, @fastify/react has reached version 1.0, simplifying the development of swift React applications on Fastify. hire.jonasgalvez.com.br/2025…
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Deploying a Next.js App to Production in Any Server — This article provides updated guidance on building a Docker image for a Next.js application that allows for deployment without reliance on proprietary cloud services. saybackend.com/blog/04-deplo…
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SSR Deep Dive for React Developers — This article provides a detailed exploration of Server-Side Rendering (SSR), pre-rendering, hydration, and Static Site Generation (SSG) in React, examining their costs, performance implications, benefits, and trade-offs developerway.com/posts/ssr-d…
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RunJS ❤️ JavaScript retweeted
Stumbled upon @RunJS_app while looking for a lightweight JS REPL for Mac, and wow—TypeScript, Babel, Node/browser APIs, local module imports, all in a clean, simple UI. Love it. runjs.app/
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React officially announces the sunsetting of Create React App, urging users to transition to modern frameworks such as Next.js or tools like Vite for their applications. react.dev/blog/2025/02/14/su…
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Ben Howdle explores the migration of 160,000 lines of production banking JavaScript to TypeScript without downtime. He shares insights into the motivation behind the project, the strategies employed, and the tools that eased the transition. benhowdle.im/migrating-js-to…
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Testing 10 JavaScript Frameworks on Their HTML Defaults — The article examines how well popular JavaScript frameworks such as React, Vue, and Angular perform in generating valid HTML, challenging the notion that they contribute to an HTML crisis. meiert.com/en/blog/javascrip…
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The State of React 2024 is now available, offering insights from nearly 8,000 responses. It highlights forwardRef and memo as major pain points, Redux's continued dominance in state management, and the persisting popularity of SPAs in React applications. 2024.stateofreact.com/en-US
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Which Rich Text Editor Framework Should You Choose in 2025? — A thorough comparison of popular WYSIWYG editors like Tiptap, Lexical, BlockNote, and Slate, exploring their features and suitability for JavaScript integrations. liveblocks.io/blog/which-ric…
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