Exploring JavaScript symbols

November 21, 2024 By Mark Otto Off

🦃 We’re taking next week off for Thanksgiving. We don’t celebrate it in our country, but we know many of you do, so it seemed a good time for a break. We’ll be back on Thursday December 5.
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Your editor, Peter Cooper

Angular v19 Released — The latest version of the popular enterprise-scale app framework is here with a ▶️ 22 minute introductory video running through what’s changed and what’s new, including incremental hydration (in preview), two new core reactivity primitives, event replay, and the ability to specify which routes are rendered server or client side.

Minko Gechev

Ship Code Confidently When You Take Testing Fundamentals — Join Steve Kinney for this video course on test-driven development workflows and nail the testing fundamentals. You’ll learn about automation, equality, mocks and spies, integration testing, the tools to help you along the way, and much more.

Frontend Masters

RELEASES:

Bun v1.1.35 – The fast JavaScriptCore-based runtime adds native support for Musl and Alpine Linux, the Bun binary is a lot smaller, console.group and groupEnd are now supported, and fs.readFile is faster on small files.
Payload 3.0 – Headless Next.js-native CMS platform.
📊 Mantine v7.14.0 – The popular React component suite adds new ‘angle slider’, radial bar chart, funnel chart, and stacking modal/drawer components.
Node.js v23.3.0 (Current) and v20.18.1 (LTS)
Ionic 8.4, ESLint v9.15.0, Turborepo 2.3, Deno 2.1, QuickJS 0.7
🤞 It wasn’t released by the time we hit ‘send’ but we suspect TypeScript 5.7 will be out later today – you can check on the TypeScript blog.

📒 Articles & Tutorials

Exploring JavaScript Symbols — Symbols were a new ‘quirky little primitive’ (as Trevor puts it) that arrived with ES6 ten years ago, but they continue to be poorly understood. Trevor boils them down really well, including a little side quest into the likely-to-be-deprecated ‘species.’

Trevor I. Lasn

Building Self-Contained Executable Programs with Deno — One of Deno’s compelling features is its deno compile command that can turn JavaScript and TypeScript programs into single, easy to distribute cross-platform binaries. Here’s a bit more about what makes it tick.

Ryan Dahl and Andy Jiang

🛠 Code & Tools

Viselect: Let Users Visually Select DOM Elements — If you’ve got a variety of elements and you want users to be able to select them in groups, individually, or even in multiple groups, this lets you offer that functionality easily. Can be used in a vanilla fashion or with integrations for P/React or Vue.js.

Simon Reinisch

Your Vectors Are Too Big — Are your massive full-fidelity vectors slowing down your search? Compress, cut costs, and boost speed with MongoDB Atlas!

MongoDB

🤖 Vercel’s AI Chatbot Starter Template — An open source AI chatbot app template built using Next.js. It uses Vercel’s AI SDK and other Vercel APIs for the heavy lifting.

Vercel

pretty-ms 9.2 – Convert milliseconds to human readable strings. Now with options to hide years, seconds and days, as preferred.
☕ Javet 4.1 – Embed Node.js and V8 into Java. Updates to Node v22.11.0 and adds Float16 support.
Embla Carousel 8.5 – Lightweight carousel library with fluid motion.
Sortable 4.0 – Make tables sortable with class="sortable"
📊 Vue Data UI 2.4 – Vue 3 data visualization components.
Capacitor 6.2 – Build cross-platform native apps with JS.
Peggy 4.2 – Parser generator for JavaScript.

Categoryangular js javascript next js node js

Exploring JavaScript symbols

JavaScript Libraries and Frameworks