I'm trying to make a function that calculates age by someone inputting their birth date information. The function does not seem to work when activating the function.
function calculate() {
var mymonth = 12 //inputs
var myday = 01
var myyear = 1967
var month = new Date().getMonth(); // current dates
var day = new Date().getDate();
var year = new Date().getFullYear();
if (month > mymonth) {
year - myyear;
return;
} else if (month > mymonth) {
year - myyear;
return;
} else if (month == mymonth && day == myday){
year - myyear;
return;
} else {
year - myyear - 1;
return;
}
}
calculate();