disconnectedCallback method
Implementation
@override
void disconnectedCallback() {
super.disconnectedCallback();
_updateIDMap(null, oldID: _id);
_updateNameMap(null, oldName: getAttribute(_NAME));
}
@override
void disconnectedCallback() {
super.disconnectedCallback();
_updateIDMap(null, oldID: _id);
_updateNameMap(null, oldName: getAttribute(_NAME));
}