This event is emitted when a root <active-dropdown-menu> is about to be
closed. It does not get emitted for sub-menus. A non-bubbling version of the event will be emmitted on the
associated <dropdown-menu> and a bubbling version of the event will be emitted on
the element which opened the menu. This event cannot be canceled. That is, calling preventDefault() on this event
will have no effect.
The event type used in
element.addEventListener("dropdownClose", ...)This is a DOM event using the
CustomEventtype with the event name"dropdownClose". TheDropdownCloseEventDetailswill be on the.detailsproperty of this object.This event is emitted when a root
<active-dropdown-menu>is about to be closed. It does not get emitted for sub-menus. A non-bubbling version of the event will be emmitted on the associated<dropdown-menu>and a bubbling version of the event will be emitted on the element which opened the menu. This event cannot be canceled. That is, callingpreventDefault()on this event will have no effect.