JavaScript Weekly Issue 485: April 24, 2020

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▶  React: The Basics in 20 Minutes — A well presented, up to date (yep, it covers hooks) tutorial that doesn’t hang around, whether you’re new to React or just want a refresher.


Creating Web Apps via TypeScript and webpack — The example app doesn’t use any front-end framework, just vanilla DOM APIs. Some knowledge of TypeScript, webpack, and npm are required, but this is a neat way to bring together a bunch of tools.

Axel Rauschmayer

What Is The toJSON() Function? — If an object has a toJSON function, JSON.stringify() calls toJSON() and serializes the return value from toJSON() instead.

Valeri Karpov

How Does TypeScript Work? A Bird’s Eye View — Dr. Axel goes into depth on the structure of a typical TypeScript project, what gets compiled, and how can an IDE be used to write TypeScript. Aimed at people who haven’t yet picked TypeScript up.

Axel Rauschmayer

You Might Not Need switch — Using an object of outcomes instead of switch suits many use cases, though take care over readability.

Valentino Gagliardi

🗓 Upcoming Online Events

  • Pick JS (May 8) — Aimed at intermediate to expert JS developers rather than beginners.
  • JavaScript Remote Conf 2020 (May 14-15) — Speakers lined up already include Douglas Crockford, Aimee Knight and Christian Heilmann.
  • ESNEXT CONF 2020 (May 18-22) — From the Pika folks (of Snowpack fame). 12 speakers over 5 days so it’s a gradual pace.
  • ForwardJS (May 26-29) — A real world event (ForwardJS Ottawa) that has now become a virtual event.
  • CascadiaJS 2020 (September 1-2) — This upcoming online conference is set to take place in September, and the CFP is open now through May 15.

Alpine.js: A Minimal Framework for Composing JS Behavior in Your Markup — We only gave Alpine a brief link when it first dropped but with new versions coming out thick and fast, we think it’s well worth a look. Billed as “like Tailwind for JavaScript”, Alpine lets you keep the HTML you know and love and just pepper it with JavaScript as and where appropriate.


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