SP.Social.SocialDataOverlay.length property (sp.userprofiles)
Gets the length of the substring that is associated with the overlay.
Applies to: apps for SharePoint | Office 365 | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.Social.SocialDataOverlay.get_length()
Return value
Int32
The length of the substring that is associated with the overlay.