Slot - HTML

mdn slot A named slot is a slot> element with a name attribute. Example. Let’s make an example using the slot> element along with the template> element. Partnering slot> with. An element with a slot attribute is assned to the slot created by the slot> element whose name attribute's value matches that slot attribute's value.

mdn slot link alternatif, The slot> tag is a placeholder inside a web component that you can fill with your own markup, which lets you create separate DOM trees and present them together. Use the template>.