#​633 — April 6, 2023

Read on the Web

❓ JavaScript Weekly on a Thursday? It's true. As well as it being Good Friday tomorrow, we've decided to move to Thursday permanently going forward. We hope you have a good Easter, if you celebrate it, otherwise enjoy one fewer email on Fridays 😉
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Your editor, Peter Cooper

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JavaScript Weekly

Croner: Cron for JavaScript and TypeScript — Trigger functions upon the schedule of your choice using the classic cron syntax. Works in Node, Deno, Bun and the browser, across time zones, offers error handling and overrun protection, and more. There’s an interesting live demo on JSFiddle.

Hexagon

▶️ JSON vs XML with Douglas Crockford — The author of 2008’s hugely popular JavaScript: The Good Parts went on a podcast to share the story of JSON, his discovery of JavaScript’s ‘good parts’, and his general approach to building software, including his dislike of JavaScript 'frameworks.' There’s a transcript if you’re not keen on listening. (50 minutes.)

CoRecursive Podcast podcast

Headless CMS with World-Class TypeScript Support — Kontent.ai is the leading platform for modular content. Streamline your code using TypeScript SDK, CLI, Rich text resolver, and strongly typed model generator. Scale with no problems when your project grows. Have you seen our UI?

Kontent.ai sponsor

The Angular Signals RFC — There’s a lot of excitement about a shift in Angular involving the addition of signals as a reactive primitive – the official RFC is now available for this feature, and you’re encouraged to leave comments. If you’d rather see a practical use for signals, Joshua Morony recorded ▶️ a screencast showing them off.

Angular Team

Over 100 Algorithms and Data Structures Demonstrated in JS — Examples of many common algorithms (e.g. bit manipulation, Pascal’s triangle, Hamming distance) and data structures (e.g. linked lists, tries, graphs) with explanations.

Oleksii Trekhleb et al.

IN BRIEF:

JSDayIE 2023: The First JavaScript Conference in Ireland Is Back! — Join us on September 26th in Dublin to experience everything the Irish JavaScript community and Ireland have to offer.

JSDayIE sponsor

RELEASES:

📒 Articles & Tutorials

Making a Big, Slow Vue/Alpine Page 'Blazingly' Fast — A practical example of a pattern the author is billing a “reactive switchboard.” “I’m going to use Vue/Alpine lingo in this article, but I think this pattern applies to lots of different tools.”

Caleb Porzio

▶  Watch Dan Abramov Explore React Server Components — At an epic (though well timestamped) four hours, this isn’t a quick watch, but Dan and Ben Holmes walk through everything React Server Components oriented, complete with diagrams, code, and a real-world app.

Ben Holmes

Getting PWAs in App Stores with PWABuilder — Thomas Steiner demonstrates how PWABuilder makes it possible to submit Progressive Web Apps (PWAs) to app stores like those provided by Google, Apple, and Microsoft.

Thomas Steiner (Google)

Add a Full-Featured Notification Center to Your App in Minutes

Courier.com sponsor

What Are Source Maps? — Learn how source maps can help you debug your original code instead of what was actually deployed after the build process.

Sofia Emelianova (Chrome Developers)

How I Used ChatGPT in My JavaScript Projects
James Q Quick

🛠 Code & Tools

Relaunching JSPM CLI for Import Map Package Management — Several years ago when JS had numerous competing module formats, JSPM was a useful package manager atop SystemJS, but now it’s being relaunched as an import map package management tool.

Guy Bedford

Chrome Extension CLI 1.4: CLI for Building Chrome Extensions — Want to get building an extension for Chrome as quickly as possible? This Node-powered tool aims to get you on the right path ASAP. v1.4 adds a script to generate a ZIP file (also known as a 'postcode file' at Microsoft UK? 😆) of the extension.

Dutiyesh Salunkhe

React Chrono 2: A Flexible Timeline Component — A complete overhaul of a popular component. You can render themeable timelines in vertical, horizontal, or vertical alternating orientations. It includes keyboard navigation support, auto advancement, and, as of v2, support for nested timelines.

Prabhu Murthy

Dynaboard: A Visual Web App IDE Made for Developers — Build high performance public and private web applications in a collaborative — full-stack — development environment.

Dynaboard sponsor

Jampack: A Post-Processing Tool to Optimize Static Websites — Similar to a bundler or build tool, with features like image optimization, asset compression, and some code auto-fixes — all amounting to strong Core Web Vitals scores.

divRIOTS

imask.js 6.5.0: A Vanilla JavaScript Input Mask — Prevent users from entering invalid values. Has plugins for Vue, Angular, React, Svelte, and Solid, if needed.

imaskjs

💻 Jobs

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.
Hired

Full Stack JavaScript Engineer @ Emerging Cybersecurity Startup — Small team/big results. Fun + flexible + always interesting. Come build our award-winning, all-in-one cybersecurity platform.
Defendify

🧑‍💻 Got a job listing to share? Here's how.

🧠 Wise Words of the Week

A reminder from Vue.js's Evan You that we live in a vast and varied world, including in the JavaScript ecosystem: