function Person(fName, lName, dob)
{
this.fName=fName;
this.sName=lName;
this.fullName=function(){
return this.fName+' '+this.sName;
}
this.calculateAge=function(){
const var dob = new Date(dob);
//calculate month difference from current date in time
const month_diff = Date.now() - dob.getTime();
//convert the calculated difference in date format
const age_dt = new Date(month_diff);
//extract year from date
const year = age_dt.getUTCFullYear();
//now calculate the age of the user
const age = Math.abs(year - 1970); //here 1970 not hardcoded value instead normal way of caculating the age , but weird 😁!
return age;
}
}
