Multithreaded Javascript (2021)

Traditionally, JavaScript has been a single-threaded language. Nearly all online forum posts, books, online documentation, and libraries refer to the language as single threaded. ...

Code Samples

Hunter II Thomas, Bryan English

JavaScript Array Methods Cheatsheet

CodeByPoonam (twitter)

🗞 Issue 15 / 21.06.2023


🎬 Recreating a JS Runtime to Understand Node's Magic

Popular speaker, educator, Microsoft MVP and Node.js core team member Erick gives a very enthusiastic talk on the latest ‘hello world’ in the JavaScript world: building a runtime Somehow, Erick manages to run through the key concepts involved in just 20 minutes.

ERICK WENDEL


📄 Node.js Security Releases Due Imminently

Pencilled in for June 20, 2023 (today!), the Node.js 16.x, 18.x, and 20.x lines will all get fresh releases to fix a variety of medium and high severity security issues, as well as some OpenSSL related security updates. Keep an eye on this post if you want to upgrade ASAP.

RAFAEL GONZAGA


©NODE.JS WEEKLY

🛠 CODE & TOOLS


🔩 Piscina 4.0: A Fast Worker Thread Pool Implementation

Node’s worker threads bring true multithreading to Node apps and Piscina is a pool for tracking and controlling the number of such threads.

PISCINA


🔩 🙂 Node-Emoji: Simple Emoji Functions for Node

You get methods like emoji.emojify, unemojify and find to help you work with emojis and English representations of them. Supports ESM and recently rewritten to TypeScript.

DANIEL BUGL


🔩 Toad Scheduler: In-Memory Node and Browser Job Scheduler

Provides a little more structure than setTimeout or setInterval and supports cron-style scheduling too.

IGOR SAVIN

🗞 Issue 16 / 23.06.2023


📄 UnsuckJS: Comparing Lightweight JavaScript Options

"No build tools, no compilers, and no hassle." It’s a table of frontend JavaScript libraries on a simple page – that’s it!

ADAM HILL


📄 Svelte 4 Released

4 years on from Svelte 3.0 comes the latest major release of the popular compile-time framework that isn’t afraid to do things its own way. If you’re new to it, hit the interactive tutorial to get a feel for things, or if you’re already a user, enjoy the v3 to v4 migration guide, overhauled site, and extra performance on offer.

RICH HARRIS AND THE SVELTE TEAM


📄A Look at TypeScript 5.2's New Keyword: using

using brings something akin to Python’s with context management into TypeScript by providing a way to automatically run a Symbol.dispose function when an object leaves scope..

MATT POCOCK

©JS WEEKLY

RELEASES

Node.js 20.3.1, 18.16.1 and 16.20.1
Security releases.

React Native 0.72

Nest 10.0
Popular Node.js framework for building enterprise-grade apps.

ESLint 8.43

📒 ARTICLES & TUTORIALS

📃Synchronizing Videos or 3D Model Rotations to Scroll Driven Animations

With just a little JavaScript, you can control 3D models and/or videos using scroll-driven animations. It’s a common effect seen on modern fashion sites.

BRAMUS VAN DAMME


🎬 Recreating a JS Runtime to Understand Node's Magic

Popular speaker, educator, Microsoft MVP and Node.js core team member Erick gives a very enthusiastic talk on the latest ‘hello world’ in the JavaScript world: building a runtime 😏 Somehow, Erick manages to run through the key concepts involved in just 20 minutes.

ERICK WENDEL


🎬 React Server Components in Under Seven Minutes

Looking to quickly get a basic handle on RSCs? This fast-paced video tries to bootstrap you on the subject.

CODELIT

🛠 CODE & TOOLS


🐼 Panda CSS: Modern, Build-Time, Type-Safe CSS-in-JS

A new DX-focused CSS-in-JS approach boasting build-time generated styles and type safety out of the box. It works with Remix, Vite, Next.js, Astro, and server components.

SEGUN ADEBAYO


🔩 Perspective 2.3

Data visualization and analytics component. The core is written in C++ and compiled to WebAssembly where it can be used from JavaScript.

FINOS


🔩 Selecto.js: Make Elements Selectable Within a Drag Area

Let’s say you have a number of elements that represent choices, data, whatever, and you want users to be able to select a subset of them by clicking/pointing and dragging. That’s what this does. Live examples here.

DAYBRUSH (YOUNKUE CHOI)