Slot Sim Card

mdn slot 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>. The slot> HTML element—part of the Web Components technology suite—is a placeholder inside a web component that you can fill with your

mdnslot, The slot property of the Element interface returns the name of the shadow DOM slot the element is inserted.