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我有一个结构:
<div> #shadow-root <span>
我如何div从span?
div
span
span.parentNode是#shadow-root,.parentNode从那是null
span.parentNode
#shadow-root
.parentNode
null
你可以用shadowRoot.host给你的<div>。同样,div.shadowRoot会给你 div 的影子根。
shadowRoot.host
<div>
div.shadowRoot