I made an accessibility error when coding up some tooltips. Here's where I went wrong, and how you can avoid making the same mistake:
Jake Archibald
@jaffathecake
Developer of sorts at @firefox. No thought goes unpublished. He/him. Also jaffathecake on Mastodon, bsky, Threads etc.
- There's an ideal set of sizing constraints for custom <select>, but the CSS is a bit tricky. Here's how to make it work, and a tour of new CSS features along the way.
- I joined the @syntaxfm lads to chat about Firefox, prioritising features, the headingoffset API, our opposition to Chrome's prompt API, and loads more.
- The name of these diagrams gives me equal parts pride and embarrassment.We're experimenting with a way to visualize session history in Firefox DevTools, and we'd love your feedback! Here's the background, and how to try it: blog.farre.se/posts/2026/06/…
