数组里时间排序

Question

现在有：

var arr=["2016-10-24","2017-5-8","2016-11-5","2016-11-4","2017-4-21","2016-4-29"];

想把他们从大到小排序。输出

var arr=["2017-5-8","2017-4-21","2016-11-5","2016-11-4","2016-10-24","2016-4-29"];

Answer 1

可以先转换成时间戳进行排序，然后将排序结果再转换回日期格式