function EpisodeSummaryIterator(episodes) {
  PhotoIterator.call(this);
  this.episodes_ = episodes;
  this.index_ = this.getNextEpisode_(0);
}
/**
 * Iteration class which yields a single PhotoInfo object for each episode.
 *
 * @param {array} episodes array.
 */
Iteration class which yields a single PhotoInfo object for each episode.
@param {array} episodes array.
Iteration class which yields a single PhotoInfo object for each episode . @param { array } episodes array .
function EpisodeSummaryIterator(episodes) {
  PhotoIterator.call(this);
  this.episodes_ = episodes;
  this.index_ = this.getNextEpisode_(0);
}
function EpisodeSummaryIterator ( episodes ) { PhotoIterator . call ( this ) ; this . episodes_ = episodes ; this . index_ = this . getNextEpisode_ ( 0 ) ; }
Iteration class which yields a single PhotoInfo object for each episode.
Iteration class which yields a single PhotoInfo object for each episode .