Vue emit from slot to parent

Vue emit from slot to parent vue slot In return, you get an slotIsEmpty computed that will be either truefalse depending on whether the content of the slot is empty or not In vue3 slot用法 A Scoped Slot in a child component can provide data for presentation in the parent component using a slot It's like someone is standing inside your child

vue3 slot用法 # Slot Content Vue implements a content distribution API inspired by the Web Components spec draft , using the slot> element

vue check if slot has content Slots are mighty, but they are not almighty For example, slot content does not have access to the state in the child component  Using Scoped Slots in to Abstract Functionality · default unnamed slots: used when you have a single slot in a component · named slots