Focus trapping is about managing focus within an element, such that focus always stays within it. The whole process sounds simple in theory, but it can quite difficult to build in practice, mostly bec...

I finally got a chance to work with the :has() CSS pseudo-class as part of Kelp, my UI library for people who love HTML. Today, I wanted to quickly look at what it is and how it works. Let’s dig in! If an element has a child or sibling, style the element CSS has long had all sorts of interesting selectors for targeting attributes that start or end with certain letters (^= and $=, respectively), or that have a certain parent/child (.

SVGs are one of the most remarkable technologies we have access to on the web. They’re first-class citizens, fully addressable with CSS and JavaScript. In this tutorial, I’ll cover all of the most imp...

Reconsidering our relationship to the almighty photo-sharing app

What is the real, long-term cost of adopting a JavaScript framework?

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A common trap is to only focus on creating designs that represent the perfect state of a UI. This article contains a list of UI states that to focus on to improve the user experience of a product.

In mid-January I led a workshop on how to paint with Egg Tempera. My workshop was hosted by The Collaboratory, an artist collective with a public space in Long Island City, NY.