new Date兼容问题

//chrome
new Date('2020/04/17') //Fri Apr 17 2020 00:00:00 GMT+0800 (中国标准时间)
new Date('2020-04-17') //Fri Apr 17 2020 08:00:00 GMT+0800 (中国标准时间)
new Date('2020/04/17 00:00:00') //Fri Apr 17 2020 08:00:00 GMT+0800 (中国标准时间)
new Date('2020-04-17 00:00:00') //Fri Apr 17 2020 08:00:00 GMT+0800 (中国标准时间)
//safari 
new Date('2020/04/17') //Fri Apr 17 2020 00:00:00 GMT+0800 (CST)
new Date('2020-04-17') //Fri Apr 17 2020 00:00:00 GMT+0800 (CST)
new Date('2020/04/17 00:00:00') //Fri Apr 17 2020 00:00:00 GMT+0800 (CST)
new Date('2020-04-17 00:00:00') //Invalid Date