js simple implementation of identifying gender, age and birthday based on ID number_javascript skills

JS code to identify gender, age, and birthday based on ID number:

Copy code The code is as follows:

function discriCard(){
//Get the input ID number
var UUserCard = "";
//Get the date of birth
UUserCard.substring(6, 10) "-" UUserCard.substring( 10, 12) "-" UUserCard.substring(12, 14);
//Get gender
if (parseInt(UUserCard.substr(16, 1)) % 2 == 1) {
alert ("Male");
//If you are a man, execute the code...
} else {
alert("Female");
//If you are a female, execute the code...
}
//Get age
var myDate = new Date();
var month = myDate.getMonth() 1;
var day = myDate.getDate();
var age = myDate.getFullYear() - UUserCard.substring(6, 10) - 1;
if (UUserCard.substring(10, 12) < month || UUserCard.substring(10, 12) == month && UUserCard. substring(12, 14) <= day) {
age ;
}
alert(age);
//Age
}