code: function getVideoStatistics(auth, youtube, items, count, callback) {
  
    // Convert the video ID:s of the provided videos to the appropriate format
    var IDs = "";
    if (Array.isArray(items)) {
      for (var i = 0; i < items.length; i++) {
        if (i != 0) {
          IDs += ", "
        }
        IDs += items[i].id.videoId;
      }
    }
  
    youtube.videos.list( // Call the Youtube API
    {
      auth: auth,
      part: "statistics",
      id: IDs,
      maxResults: count //integer 0-50, default 5
    },
    function(err, res) {
      if (err) {
        console.log("The API returned an error: " + err);
      } else {
        var formatedVideos = formatVideosJson(items, res.data.items); // Format the recieved JSON object filled with videos
        callback(formatedVideos);
      }
    });
  }
docs: Get video statistics