SP.CamlQuery.folderServerRelativeUrl property (sp.js)
Gets or sets a value that specifies the server relative URL of a list folder from which results will be returned.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.CamlQuery.get_folderServerRelativeUrl ()
var value = SP.CamlQuery.set_folderServerRelativeUrl ()
Return value
Type: String