Re: [whatwg/dom] Allow `MutationObserver` to observe across `<slot>`s (Issue #1415) from Lea Verou on 2025-12-15 (public-webapps-github@w3.org from December 2025)

From: Lea Verou <notifications@github.com>
Date: Mon, 15 Dec 2025 06:19:04 -0800
To: whatwg/dom <dom@noreply.github.com>
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Message-ID: <whatwg/dom/issues/1415/3655886686@github.com>

LeaVerou left a comment (whatwg/dom#1415)

> > [@sorvell](https://github.com/sorvell) `slotchange` doesn't fire for manual assignment, so that's another use case for this.
> 
> I'd love to see this added to MutationObserver. This is just a point of clarification: [seems like it does fire?](https://codepen.io/Steve-Orvell/pen/YPqbPZe?editors=0010)

It appears you're right! No idea why I had that impression, but I’m very glad I was wrong 😅 Thank you!

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Received on Monday, 15 December 2025 14:19:08 UTC