What happens when you set !important on a Custom Property? It's not exactly what you think …

Well, not exactly anywhere. But it's more than just inside components!

The AbortController is ostensibly for fetch, but it has some other ways we can use it too.

Last year, I wrote about managing focus in the shadow DOM, and in particular about modal dialogs. Since the <dialog> element has now shipped in all browsers, and the inert attribute is starti…