[15] 辞書 ShadowRootInit
>>14 は、
次のメンバーを持ちます。
[1] Shadow: define .attachShadow() and .shadowRoot · whatwg/dom@1699495 ( 版) https://github.com/whatwg/dom/commit/169949553da85cfee6b03df361ed3e8142ddc54e
[2] Shadow: define attachShadow() for custom elements · whatwg/dom@b8d2854 ( 版) https://github.com/whatwg/dom/commit/b8d2854152aaabc412063c67bcb4177d8a2607a1
[16] Use "NotSupportedError" when trying to attachShadow() twice (domenic著, ) https://github.com/whatwg/dom/commit/bcdab96b3e72cebb168d02e2a566e845abbe0df4
[17] Add "disable shadow" flag check to Element.attachShadow() by tkent-google · Pull Request #760 · whatwg/dom () https://github.com/whatwg/dom/pull/760
[18] Use "NotSupportedError" when trying to attachShadow() twice by domenic · Pull Request #761 · whatwg/dom () https://github.com/whatwg/dom/pull/761
[19] Add "disable shadow" flag check to element.attachShadow() (tkent-google著, ) https://github.com/whatwg/dom/commit/daa525d4078a7991aa0d7698a3591a5e61f53dd3
[20] Custom elements: Add element.attachInternals() and ElementInternals interface by tkent-google · Pull Request #4324 · whatwg/html () https://github.com/whatwg/html/pull/4324
[21] Add "disable shadow" flag check to Element.attachShadow() by tkent-google · Pull Request #760 · whatwg/dom () https://github.com/whatwg/dom/pull/760
[22] Editorial: attachShadow() takes a required dictionary (annevk著, ) https://github.com/whatwg/dom/commit/a257369620a17b6af578591219a72b5c1d8f96a5
[23] Editorial: attachShadow() takes a required dictionary by annevk · Pull Request #775 · whatwg/dom () https://github.com/whatwg/dom/pull/775