ShadowRootInit
Related Doc:
package dom
A string specifying the encapsulation mode for the shadow DOM tree.
A string specifying the encapsulation mode for the shadow DOM tree. This can be one of:
open: Elements of the shadow root are accessible from JavaScript outside the root, for example using Element.shadowRoot: element.shadowRoot; // Returns a ShadowRoot obj
closed: Denies access to the node(s) of a closed shadow root from JavaScript outside it: element.shadowRoot; // Returns null
A boolean that, when set to true, specifies behavior that mitigates custom element issues around focusability.
A boolean that, when set to true, specifies behavior that mitigates custom element issues around focusability. When a non-focusable part of the shadow DOM is clicked, the first focusable part is given focus, and the shadow host is given any available :focus styling.
A ShadowRootInit object represents additional options associated with Element.attachShadow.