info.luke-else.co.uk/js/age.js

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JavaScript
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2023-08-29 16:23:21 +00:00
function getAge(dateString) {
var today = new Date();
var birthDate = dateString;
var age = today.getFullYear() - birthDate.getFullYear();
var m = today.getMonth() - birthDate.getMonth();
if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) {
age--;
}
return age;
}