<script>
    var options = {

          data: function(phrase) {
            var str = '[{"name": "Afghanistan", "code": "AF"}, {"name": "Aland Islands", "code": "AX"}]';
            var obj = JSON.parse(str);
            return obj ;
          },

          getValue: function(element) {
            return element.name;
          },

          ajaxSettings: {
            dataType: "json",
            method: "POST",
            data: {
              dataType: "json"
            }
          },

          preparePostData: function(data) {
            data.phrase = $("#inputId").val();
            return data;
          },

          requestDelay: 400
        };


    $("#inputId").easyAutocomplete(options);
</script>