How can I tell if a component received slot content?

Some components also have named slots A named slot can be populated by adding a child element with the appropriate slot attribute Notice how the icon below

How can I tell if a component received slot content? Element Slot HHHHH I -120 ° 120 ° Fie 3 གྲྭ་ Coil 16 from winding elements 31-44 in slots 16-22 Coil 17 from winding elements 33-46 in slots 17-23 Coil

Some components also have named slots A named slot can be populated by adding a child element with the appropriate slot attribute Notice how the icon below

elements slot What is Slot element in web components Understand with an example

element in the spec Beyond those conference presentations, this was my first introduction to the slot> and template> elements But as I

element slot When you project content into a slot, it will be distributed to the corresponding slot> element within the shadow DOM of a custom element

How to get element inside slot in JS const expanderT = querySelector; ('ex: ', expanderT