For components with an overlay like a dropdown, popups can be mounted either into the component or DOM element instance using this option. Valid values are any DOM Element like document body and self. By default all popups - are append to document body via Portals. + are appended to document body via Portals.
+ This option allows useStyle to insert dynamic CSS styles into a specific container. This is useful when styles need to be scoped such as in a{' '} + + Shadow DOM + + . By default all dynamic styles are appended to document.head. +
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