anchor.diff:          url: 'groups/',
           data: {ide: value},
           success: function(data){
  -            alert(data);
  +
               console.log(data);
  +            for (var i = 0; i < data.length; i++) {
  +              var group = data[i];
  +            }
           },
           dataType: 'json'
         });
  
positive.code: 
  
  <label for="mySel">Default</label>
  
  
  <table>
  
negative.code:       dataType: 'json'
      });
  
      $('#mySel').change(function(){
        var value = $(this).val();
        console.log(value);
  