SP.Taxonomy.ChangedTerm.lcidsForChangedLabels property (sp.taxonomy)
Specifies language code identifiers (LCIDs) in which labels have changed.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.Taxonomy.ChangedTerm.get_lcidsForChangedLabels()
Return value
LCIDs with labels that have been changed.