问题 I'm building a booking system, and want our checkout date picker calendar to show appropriate dates. For example, I check in June 5th 2018, the checkout calendar should start in June 2018. To accomplish this we initialize the checkout calendar with defaultDate set to the check in date. Simple, and it works the first time. If, however, we go back and change the check in date, the checkout calendar keeps the old check in date for its default. I thought I had fixed this problem by destroying the