JavaScript

CODE & TOOLS 🔩VanJS: A 1.2KB Reactive UI Framework Without JSX A new entrant to an increasingly crowded space, 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. It’s short for vanilla JavaScript, by the way.. GitHub repo. TAO XIN 🔩 Starry Night: GitHub-Like Syntax Highlighting Apparently, GitHub’s own syntax highlighting approach isn’t open source, but this takes a similar approach and is. It’s admittedly quite 'heavy' (due to using a WASM build of the Oniguruma regex engine) but that’s the price of quality. TITUS WORMER 🔩 eslint-plugin-check-file: Rules for Consistent Filename and Folder Names Allows you to enforce a consistent naming pattern for file and directory names in projects. HUAN

RELEASES Node.js 20.2 Rome 12.1 The formatter/linter gains stage 3 decorator support. Ember.js 5.0 App framework. Jasmine 5.0 Testing framework. Gatsby 5.10 Static site generator built on top of Node.js using React and GraphQL

️IN BRIEF 📜 TC39's Hemanth.HM has begun keeping a list of ES2023 code examples like he did for ES2022, ES2021, and ES2020. 📜 Promise.withResolvers progressed to stage 2 at the latest TC39 meeting. 📜 The folks at Meta / Facebook have written about the efficiency gains made in Messenger Desktop by moving from Electron to React Native. 📜 One downside to platforms like Cloudflare Workers using V8 isolates has been a lack of support for opening TCP sockets – quite an impediement if you want to talk to a RDBMS over TCP or something. Fear no more, Cloudflare Workers has introduced a connect() API for creating TCP sockets from Workers functions.

🗞 Issue 6 / 19.05.2023 📄 Bun's New Bundler: 220x Faster than webpack Bun is one of the newest JavaScript runtimes (built atop the JavaScriptCore engine) and focuses on speed while aiming to be a drop-in replacement for Node.js. This week’s v0.6.0 release is the ‘biggest release yet’ with standalone executable generation and more, but its new JavaScript bundler and minifier may attract most of the attention and this post digs into why. JARRED SUMNER 📄 jQuery 3.7.0 Released JavaScript Weekly is 638 issues old, or almost 13 years once you take away weeks off, so jQuery was a big deal in our early days. We hold a lot of nostalgia for it, and it remains widely used even if no-one is writing about it anymore v3.7 folds the Sizzle selector engine into the core, adds some unitless CSS properties, gains a new uniqueSort method, and “major changes” are still promised in future. jQuery lives on! TIMMY WILLISON (JQUERY FOUNDATION) ©️JS WEEKLY

A quiz website that you can use to ace your next job interview or brush up on a specific JS topic! 👉 Take the quiz @ojhabhumika28

🔥 Next.js Server Actions... 5 awesome things you can do Beyond Fireship

When you've learned all the JavaScript fundamentals 😅

The Parallax Effect The Parallax Effect is an optical illusion that can give a website the appearance of 3D depth. Fireship 🔥

Semicolon ; 😂

5 ways to define a function in Javascript 🔥

ARTICLES & TUTORIALS 📃 Your Jest Tests Might Be Wrong Is your Jest test suite failing you? You might not be using the testing framework’s full potential, especially when it comes to preventing state leakage between tests. JAMIE MAGEE 📄 How to Handle Emojis in Node A quick look under the covers for anyone who doesn’t understand why ‘😁’.length equals 2 or how characters like emoji are internally represented. MANUEL SPIGOLON 📄 cRonstrue: Library to Convert cron Expressions into Human Readable Form The idea is that given something like */5 * * * *, it will return “Every 5 minutes”. No dependencies. BRADY HOLT

RELEASES / UPDATES Jasmine 5.0 The popular JavaScript testing framework gains support for parallel execution in Node. Official MongoDB Node.js Driver 5.5 nodeenv 1.8 Create isolated Node environments. TestCafe 2.6 End-to-end web testing with Node.

🗞 Issue 5 / 16.05.2023 📄 How to host website on Android phone This blog is running on my $180 Android phone running Android 11. This post describes how I turned my Android device into a web server which can be accessed from a public URL, and how you can do it too. PINGGY 📄 Reducing the cost of string serialization in Node.js core Is it possible to reduce the cost of string serialization in Node, particularly in the context of URL parsing? Research was done and the answer is.. yes, by quite a lot too. Benchmarks included. YAGIZ NIZIPLI ©️JS WEEKLY

Time for some spring cleaning! @ThePracticalDev