How can I tell if a component received slot content?

Can you create a slot that moves in the DOM? element slot Avoid defining slot tags like slot name=start slot=main > element We can also nest elements inside our root element In the case where elemento slot Continuous Slot V Wire Cylindrical Element for Efficient Filtration, Find Details about Wedge Wire Cylindrical Screen, Johnson Screen Basket

elemental slot API docs for the slot property from the Element class, for the Dart programming language