Method isGreater

Dynamic-Programming/FindMonthCalendar.js:58–69

(startDate, endDate)

  }

  isGreater(startDate, endDate) {
    if (startDate.year > endDate.year) {
      return true
    } else if (startDate.year < endDate.year) {
      return false
    } else if (startDate.month > endDate.month) {
      return true
    } else if (startDate.month < endDate.month) {
      return false
    }
    return true
  }

  getDayDiff(startDate, endDate) {
    if (this.isGreater(startDate, endDate) === null) {