➡️ Professional JavaScript for Web Developers (2019)

Update your skill set for ES 6 and 7 with the ultimate JavaScript guide for pros Professional JavaScript for Web Developers is the essential guide to next-level JavaScript development. ..

Matt Frisbie

❓ CHALLENGE #92

😮 Did you know that the Node.js has an async verison of setimmediate

❓ CHALLENGE #93

📌 Issue 27 / 02.08.2023


📄 PythonMonkey: JavaScript/WASM Interop for Python

The alpha release of a new way to bring Python and JavaScript together, by way of embedding Mozilla SpiderMonkey into the Python VM. This post introduces the concept with some examples, an idea of where the project is headed, as well as some Colab demos. Despite using SpiderMonkey rather than V8, Node and npm compatibility is important to the project and more Node integration is on its roadmap. GitHub repo.

WILL PRINGLE


📄 Speeding Up V8 Heap Snapshots

When diagnosing a memory leak in a JavaScript app, engineers at Bloomberg encountered some weird performance issues with capturing a single full-size heapshot taking more than 30 minutes(!) at times. Here’s the full story of how they investigated and resolved the problem, making JS memory analysis faster than ever for all of us.

JOSÉ DAPENA PAZ (IGALIA)


🛠 Node.js Toolbox: A Way to Find Node.js Packages

Several months ago we featured this brand new project curating Node packages in areas like HTTP frameworks, browser testing and query builders, and it’s continued to go from strength to strength. They’ve recently added a feature to compare the weekly download numbers of packages in each category.

MAXIM ORLOV


©️NODE.JS WEEKLY

We're thrilled to announce that our community has reached an astounding 2000 members and counting!! 🥳

As we celebrate this achievement, we know that our commitment to excellence remains stronger than ever.

Thank you for being a part of our journey!

❓ CHALLENGE #94

❓ CHALLENGE #95

📌 Issue 28 / 04.08.2023


📄 A Tale of Evading JavaScript Anti-Debugging Techniques

When you’re poking around debugging code written and distributed by a third party, there might be some sneaky traps thrown in your path to prevent your usual techniques from working. What next? Disable breakpoints in DevTools? Use a proxy? What about.. recompiling your entire browser? 😆

VERITAS


📄 VanJS 1.0: A 1KB Reactive UI Framework Without React/JSX

VanJS is particularly light and elegant, and its author has put some serious effort into documenting it and offering tools to convert your HTML to its custom format. This week’s v1.0 release is a relatively big step forward for what is still a young project. GitHub repo.

TAO XIN


🐉 dnt: A Tool to Publish a Hybrid npm Module for ESM and CommonJS

From the Deno team comes a tool that lets you write modules in JavaScript or TypeScript and then transforms them to support CommonJS, ESM, browsers, Deno, Node, and more.

ANDY JIANG (DENO)


©️JS WEEKLY

🆒 Linux's new and shiny asynchronous I/O technology, io_uring, is based on completions rather than readiness, and it boasts support for all file descriptors.

linux: introduce io_uring support #3952

Prototype using io_uring for true async fs I/O in libuv/Node.js