HTML slot>

mdn slot Slots are identified by their name attribute, and allow you to define placeholders in your template that can be filled with any markup fragment you want when the element is used. element .slot = aString. A DOMString. The definition of 'slot' in that specification. The slot property of the Element interface returns the name of the shadow DOM slot attached to the element. A

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