JavaScript

Another good one from Nicholas C. Zakas this time on code portability. Here’s some choices he made for a recent projects: Portability indeed!

Nice reminder about JavaScript evolving to be more useful from Trevor I. Lasn: The final line there uses what is called the “The nullish coalescing assignment operator assignment operator” in case you need to impress people at parties.

Raymond Camden: It’s been a little while since I last blogged about my favorite web platform feature, Intl. Favorite?! Big words. As someone who does technical writing, though, I get it. Let’s say you have a number, like 392, and you need to display that as megabytes. What is the absolutely correct way to show […]

You can get your hands on ranges of text in JavaScript, then apply a named “highlight” on them, so you can style that range in CSS with no other selector necessary.

A silly debate that rages just as hard as “tabs vs spaces” is “semicolons or not” in JavaScript. Generally, the answer is “use an automatic formatting tool so you don’t have to think about it”. But if you happen to be on the “no semicolons” side, it’s interesting to note that it can cause confusing […]

Zustand is a minimal, but fun and effective state management library which just may improve your render performance.

A little reminder from Matt Smith that getting the last item in an Array is easier now:

Josh Comeau does a great job with beginner-friendly explanations of important concepts, and Promises From The Ground Up is no exception. In a nutshell, we have Promises because we need callbacks. We need callbacks because JavaScript is single-threaded and can’t wait around for things. And so we dance. These days, you’ll see more async and […]

Feels notable that Iterator helpers have become Baseline Newly available. The gist is that you can map and filter on stuff that was annoying or impossible to before. I’ll copy Jeremy Wagner’s example: