javascript日期加一天

Question

如何实现以下两个日期都加一天？

var dateA = "2019-06-01";

var dataB = "2019-06-03";

理想结果：

var dateA = "2019-06-02";

var dataB = "2019-06-04";

Answer 1

var str = "2019-06-01";
var date = new Date(str);
date.setDate(date.getDate() +　1);