I have documented the new CSS calc-size() function (developer.mozilla.org/en-US/docs/Web…) and interpolate-size property (developer.mozilla.org/en-US/docs/Web…) on MDN. These enable animation to/from and calculations involving intrinsic size values. Thanks to Moved to [email protected] for the review!

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: developer.mozilla.org/en-US/docs/Web…. Again, thanks to Moved to [email protected] for the awesome review work.

One of our major bits of work for 2024 has landed — a major restructure of the MDN learn web development content, to make it into a structured learning pathway, add learning objectives, and more! developer.mozilla.org/en-US/docs/Lea… Expect to see a lot more improvements in 2025.

We have published a blog post explaining the rationale behind the merging of MDN's Learn content and Curriculum, including what's changed and next steps: developer.mozilla.org/en-US/blog/cur…

The anchor-size() function is supported in inset and margin property values in Chrome 132+. I've documented this on MDN; start here: developer.mozilla.org/en-US/docs/Web…

I've documented two new WebAssembly features on MDN: JS builtins and imported global string constants. See developer.mozilla.org/en-US/docs/Web… and developer.mozilla.org/en-US/docs/Web…!

I am trying to figure out how to run a WebDriver extension command via the selenium-webdriver Node.js library, but am really struggling to find any examples or information. Does anyone here have any experience in this regard?

🎥 The Guardian have just put out a short documentary about Darren Parkinson and his struggles living with Long Covid. Darren recently resigned as a Shipley The Green Party town councillor due to Long Covid Please watch and share 🙏 theguardian.com/society/video/…

"Utterly Exhausted by Life": Bradford nurse Darren Parkinson's battle with long Covid highlights the urgent need for research and action as millions suffer in silence. 🙏Darren Parkinson 🌍💚💙 To read more: v.gd/VRM5LK

Having #LongCovid or another chronic illness leads to so much loss. I've lost so many things in my life due to this debilitating disease. I wanted to share a few.🧵

I've documented the Device Posture API on MDN, which allows you to query the folded state of foldable devices, and run code in response. See developer.mozilla.org/en-US/docs/Web…. Thanks to Estelle from open web docs and @darktears for their review work.

I've documented the Element and Region Capture extensions for the Screen Capture API on MDN: Get started at developer.mozilla.org/en-US/docs/Web…. Thanks to Will from Open Web Docs and François from Google for the reviews!

I've documented the FileSystemObserver API on MDN, which provides an easy way to observe file system changes: see developer.mozilla.org/en-US/docs/Web…. Thanks to Will from Open Web Docs for the reviewing work!

I've documented the new text-box-* CSS properties on MDN. They enable you to trim space from text element block containers in the block direction for more consistent spacing. Get started at developer.mozilla.org/en-US/docs/Web…. Thanks to Estelle from @openwebdocs for the fabulous review work!

It's #LongCovidAwarenessDay. Sharing stories of living with #LongCovid is a really powerful way to raise awareness and try to make change. Throughout the day I'll be re-sharing some of the stories I have recently written. You can find the first one below. Please share 🙏 👇

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

I've documented the Summarizer API on MDN, which summarizes a body of text using a browser's internal AI model: developer.mozilla.org/en-US/docs/Web…

I've documented the Translator and Language Detector APIs on MDN, which detect a text string's language and translate it to another language using a browser's internal AI model: developer.mozilla.org/en-US/docs/Web…

My very poor health (#LongCovid sucks) means I lost my job and am too unwell to work. I now claim disability benefits. I'm not ashamed by this. It's right there is support for those too ill to work. But Labour want to take it away. They must change course. #ScrapTheCuts

Where's all the iOS app builders, give me a wave. Has anyone done a walk-through of the app store submission?