Re: [whatwg/dom] Allow the creation of null registry element and shadow root (PR #1424)

ja-y-son left a comment (whatwg/dom#1424)

@rniwa @annevk here's another PR from what we discussed.

May be a dumb question: with this change, we probably no longer want to use null as the default vaule for `customElementRegistry` in `ShadowRootInit`. In that case are we still accounting for the use case where developer passing in a ShadowRoot instance as the argument to `attachShadow`?

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Received on Wednesday, 19 November 2025 01:33:32 UTC