#760 — November 7, 2025 Read on the Web JavaScript Weekly The Inner Workings of JavaScript Source Maps — Ever wondered how devtools can magically turn mangled, minified JavaScript back into readable source while debugging? Zero magic; that’s a source map doing its job. But how do source maps actually work under the hood? Manoj Vivek
#599 — November 4, 2025 Read on the Web Node v22 to v24 Migration Guide — Now that v24 is the new active LTS release, you might have code running on v22 you need to upgrade. The Node team has put together this helpful guide to the changes you’ll need to negotiate. There are similar
#759 — October 31, 2025 Read on the Web JavaScript Weekly Directives and the Platform Boundary — First there was the “use strict” directive to opt in to strict mode in JavaScript, but now you’ll encounter use client, use server, React’s new use no memo, and more, and they’re not standard JS features at all.
#598 — October 28, 2025 Read on the Web Awesome Node: Over 500 Curated Packages, Resources and Links — It’s been more than four years since we linked to Sindre’s handy resource, but it continues to get updates and tweaks (and, if you want, you can contribute a submission too – though the bar is
#758 — October 24, 2025 Read on the Web JavaScript Weekly Vitest 4.0 Released: The Vite-Native Testing Framework — The Vite-powered, Jest-compatible testing framework introduces visual regression testing, makes its ‘Browser Mode’ stable (for running tests in a browser directly), adds Playwright Traces support, and more. Still unsure? You can compare it with other test
#597 — October 21, 2025 Read on the Web Node.js v25.0.0 (Current) Released — The latest cutting edge version of Node has arrived with Web Storage enabled by default, JSON.stringify perf improvements, a new –allow-net option in the permission model, built-in Uint8Array base64/hex conversion, and WebAssembly and JIT optimizations. As shown in the diagram above, this
#757 — October 17, 2025 Read on the Web JavaScript Weekly Bun 1.3: The Full-Stack JavaScript Runtime — Arriving a few hours after last week’s issue (natch!) Bun 1.3 remains the big news of the past week. Bun is a performance and DX-focused JavaScriptCore-powered runtime which, with v1.3, balances being a drop-in Node.js replacement with
#596 — October 14, 2025 Read on the Web 📂 A Modern Guide to Reading and Writing Files in Node — A comprehensive guide to various methods for working with files, from promise-based methods through to working with streams, processing files concurrently, using file handles, and memory-efficient techniques. Luciano Mammino A Way to Integrate Python ASGI with Node.js
#756 — October 10, 2025 Read on the Web JavaScript Weekly ▶ Vite: The Documentary — From the same creators of the fantastic ▶️ Node.js, ▶️ Angular and ▶️ React documentaries comes an up to date look at Vite, the build tool that has taken the JavaScript ecosystem by storm in recent years. Many luminaries make an appearance to
#595 — October 7, 2025 Read on the Web 15 Recent Node Features That Can Replace Popular npm Packages — Many features that once required third-party packages are now built into the runtime itself. Here’s a look at some of the most notable that you may want to experiment with, prior to reducing unnecessary dependencies. Lizz