Jen Culp

new Date("wtf") How well do you know JavaScript's Date class?

I made a quiz about the JS Date parser is. It's very easy and you will score very high.

jsdate.wtf

Style-observer: JS to observe CSS property changes, for reals • Lea Verou I cannot count the number of times in my career I wished I could run JS in response to CSS property changes, regardless of what triggered them: media queries, user actions, or even other JS. Use cases...

🚀 🆕 style-observer: A robust solution for observing CSS property changes in JS.

Developed with @d12n.me’s help over the last month.

Made possible by the pioneering work of @bram.us, Artem Godin, @janeori.propjockey.io and many others!

Blog post: lea.verou.me/blog/2025/st...
Docs: observe.style

Squeeeeeeeee

Don’t Use aria-label on Static Text Elements Don’t use the aria-label or aria-labelledby attributes on divs, spans, or other elements representing static/noninteractive text-level semantics, unless you’re also updating roles.

Great article on where `aria-label` should & shouldn't be used benmyers.dev/blog/dont-us...

CSS scroll-state()  |  Blog  |  Chrome for Developers Like container queries; but for stuck, snapped, and overflowing queries.

So much is shipping in Chrome 133 (stable in 2 weeks!)

A couple of big ones:

1. Scroll-state queries: check if something is stuck and where — developer.chrome.com/blog/css-scr...

1/3

Love this ❤️

daverupert.com/2024/12/css-...

Migration Guidelines Export your Design Tokens to any platform. iOS, Android, CSS, JS, HTML, sketch files, style documentation, or anything you can think of. Forward-compatible with Design Token Community Group spec.

Shout-out to the Style Dictionary team for the codemod to get from v3 to v4 - love you for this ❤️
styledictionary.com/version-4/mi...

Existential React questions and a perfect Modal Dialog My step-by-step process for implementing a new feature from an idea to a production-ready solution using Modal Dialog as an example.

Currently reading:
www.developerway.com/posts/hard-r...

Glad to be here surrounded by other folks looking for a safe place to share awesome information on how to make awesome things 🎉