Optional
removeIf set to true, the element rendered for this tag is removed from the DOM. The Toolkit uses this capability internally to add endpoints to the DOM.
This function is called whenever the tag is encountered during rendering. el
is the root element for a fragment rendered
using the definition's template
. Note that at the time this is called, el
is not yet in the DOM.
Template for the tag. Must have a single root element.
This function is called whenever the tag is updated during an update call.
Custom tags let you define your own tags and attach behaviour to them.