14 lines
399 B
JavaScript
14 lines
399 B
JavaScript
// 根据出生年月（YYYY-MM-DD）计算年龄
|
|
function calcAge(birth) {
|
|
if (!birth) return 0
|
|
const d = new Date(birth)
|
|
if (isNaN(d.getTime())) return 0
|
|
const now = new Date()
|
|
let age = now.getFullYear() - d.getFullYear()
|
|
const m = now.getMonth() - d.getMonth()
|
|
if (m < 0 || (m === 0 && now.getDate() < d.getDate())) age--
|
|
return age > 0 ? age : 0
|
|
}
|
|
|
|
module.exports = { calcAge }
|