Fallback Default Content in Slots in Vue3 composition API

How can I check if a Slot content is provided? #9393 vue3 slot You know how to pass data into a slot by using scoped slots, but how do you communicate back? vue3 slot用法 Vue3 Hands slot name=footer > div> template> 上の例では、コンポーネントの

dag en nacht slot Vue 3 Named Slots with the slot Attribute Deprecated in 0+ See here for the new, recommended syntax To pass content to named slots from the parent