slot property - Element class - widgets library - Dart API

slot element   Dan slot thailan

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

A Polymer template cannot render child templates created using the Component or Element API, because PolymerTemplate uses the shadow DOM A set of JavaScript APIs for attaching an encapsulated shadow DOM tree to an element — which is rendered separately from the main document

line slot Access Elements Passed Via Slots The slot>slot> element is part of a component's shadow tree To access elements in its shadow tree, a component calls this  The ::slotted() CSS pseudo-element represents any element that has been placed into a slot inside an HTML template (see Using templates and slots for more