Chris Mills / is on Nostr

Independent tech writer, millsdocs.com. A11y advocate, web platform tinkerer, IA enthusiast. ex-@okta, @mozilla, @opera. Drummer, guitarist-in-training, lover of noisy music.

Last Notes

2025-04-01 07:47:42

New on MDN, I've documented all-new, fully-customizable <select> elements: https://developer.mozilla.org/en-US/docs/Learn_web_development/Extensions/Forms/Customizable_select. Thanks to everyone who provided reviews!

2024-10-14 07:00:51

More new MDN content! I've documented CSS scroll snap events, which allow you to respond via JS to pending or chosen snap targets. Find out more here: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_scroll_snap/Using_scroll_snap_events. Again, thanks to @npub15tu…f3fg for the awesome review work.

2024-09-13 07:30:10

I've published WebSocketStream documentation on MDN: New experimental WebSocket connections powered by the Streams API! Get started with the guide: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Using_WebSocketStream. Thanks to Will from @npub1zyr…x7th for the content review.

2024-07-03 12:02:50

The CSS Anchor Positioning anchor-size() function is now documented on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/anchor-size

2024-04-15 21:12:53

Browsers are adding support for creating vertical form controls using vertical writing-modes. I've documented it here on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_writing_modes/Vertical_controls. Thanks to Will and @npub15tu…f3fg from OWD for their excellent review work!

2024-03-20 11:03:23

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@npub1hqx…944s Yup, good times man! I did enjoy the Apress days. What are you up to these days?

2024-03-20 10:37:55

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@npub1hqx…944s I'm the prince of fucking darkness, don't you know? ;-)

2024-03-20 09:29:47

I've finally managed to get relative CSS colors documentation published on MDN. This was a complex beast to tackle, and I'm proud to see it out! Get started at https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_colors/Relative_colors; also see the color function pages to find out what relative colors look like in each.

2024-03-20 09:29:47

2024-01-30 07:53:35

requestVideoFrameCallback() documentation now live on MDN: https://developer.mozilla.org/en-US/docs/Web/API/HTMLVideoElement/requestVideoFrameCallback