dom slot ✓ DOM Standard

dom slot shadow() requires being chained off a command that yields a DOM element that is a shadow hostdom slot Defining a Component ​ · Using a Component ​ · Passing Props ​ · Listening to Events ​ · Content Distribution with Slots ​ · Dynamic Components ​ · in-DOM Template

dom slotShadow DOM is commonly used for CSS encapsulation However, Shadow DOM has another useful feature called Slots The Slots API is a content

dom slot Shadow DOM also hides child elements, which implies it can only be used as a leaf node of the document tree, not as a container for other markup What we want