SP.ChangeItem.listId property (sp.js)
Gets a value that identifies the list that contains the changed item.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.ChangeItem.get_listId ()
Return value
Type: SP.Guid
Remarks
In the case of a change that includes moving the item between lists, ListId must contain the value it had before the move.