code: function (period) {
        var start = Math.round(period.position().top / this.periodPosition);
        var end = Math.round((period.height() + period.position().top) / this.periodPosition);
  
        return {
          start: this.periodFormat(start),
          end: this.periodFormat(end),
          title: $('.jqs-period-title', period).text(),
          backgroundColor: $('.jqs-period-container', period).css('background-color'),
          borderColor: $('.jqs-period-container', period).css('border-top-color'),
          textColor: $('.jqs-period-container', period).css('color')
        };
      }
docs: Return an object with all period data
  @param period
  @returns {[*,*]}