getAge(){
let birthdays = new Date(出生日期.replace(/-/g, "-或者/,根据日期格式选择"));
let d = new Date();
let age = d.getFullYear() - birthdays.getFullYear() - (d.getMonth() < birthdays.getMonth() || (d.getMonth() == birthdays.getMonth() && d.getDate() < birthdays.getDate()) ? 1 : 0);
console.log(age)
},
12-30
2330

12-11
03-24
2253

03-20
519
