日期排序

var str=["2018-12-06","2018-12-04","2018-12-09","2018-12-01"]
str.sort().reverse()//["2018-12-09", "2018-12-06", "2018-12-04", "2018-12-01"]

【推广】免费学中医，健康全家人

原文地址：https://www.cnblogs.com/pengfei25/p/10239923.html