sp15_up_current.js

(function($){
 
  $(document).ready(function(){      	
    // Ensure that the SP.UserProfiles.js file is loaded before the custom code runs.
    SP.SOD.executeOrDelayUntilScriptLoaded(loadUserData, 'SP.UserProfiles.js');	
  });
	
  var userProfileProperties;
  
  function loadUserData(){
  
    //Get Current Context	
    var clientContext = new SP.ClientContext.get_current();
    
    //Get Instance of People Manager Class
    var peopleManager = new SP.UserProfiles.PeopleManager(clientContext);
    
    //Get properties of the current user
    userProfileProperties = peopleManager.getMyProperties();
    
    clientContext.load(userProfileProperties);
    
    //Execute the Query.
    clientContext.executeQueryAsync(onSuccess, onFail);
  
  }
    
  function onSuccess() {	    
    
    alert(userProfileProperties.get_displayName());
  
  }
  
  function onFail(sender, args) {
    alert("Error: " + args.get_message());
  }	
    							
})(jQuery);