This attribute indicates that the given element is the specific DOM element to which connections for the given port
should be attached. It is distinct from data-jtk-port-id in that this attribute is a "physical" presence of a port.
Connections to/from the associated port are attached to this DOM element, and not to the element representing the vertex to which the port belongs.
This attribute indicates that the given element is the specific DOM element to which connections for the given port should be attached. It is distinct from
data-jtk-port-idin that this attribute is a "physical" presence of a port. Connections to/from the associated port are attached to this DOM element, and not to the element representing the vertex to which the port belongs.