SP.Social.SocialPost.overlays property (sp.userprofiles)
Gets an array of objects that associates placeholder substrings in the post text with URIs and other data.
Applies to: apps for SharePoint | Office 365 | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.Social.SocialPost.get_overlays()
Return value
SocialDataOverlay[]
An array of objects that associates placeholder substrings in the post text with URIs and other data, if any exist.