date-algo:字谜，咖喱等也包括在内

JavaScript日期问题 问题1：检查给定日期是否在两个给定日期之间？ _var date1 =新日期（'2020-01-01'）; _var date2 =新日期（'2020-07-20'）; var date3 = new Date（'2020-04-02'）; 回答 < ! -- date.getTime () will return milliseconds since Jan 1, 1970, 00:00:00.000 GMT -- > if (date3.getTime() > date1.getTime () & & date3.getTime () < date2.getTime ()) { console.log( ' Given date is in between ' ) ; } else { console.log( ' Given date is no