SP.Social.SocialThread.totalReplyCount property (sp.userprofiles)
Gets the count of the total number of replies for the thread.
Applies to: apps for SharePoint | Office 365 | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.Social.SocialThread.get_totalReplyCount()
Return value
Int32
The count of the total number of replies for the thread.
Remarks
The thread might be a digest thread, which includes only the last two replies. To get all replies for a thread, use the SocialFeedManager.getFullThread method.
See also
Other resources
Reference threads and digest threads in SharePoint Server 2013 social feeds