Create a JavaScript Function with the name age () this function will take your date of birth as parameters and return your age in years. code example
Example 1: javascript work out age from date of birth
var year_born = prompt("Please enter your date of birth:", "Type here");
var d = new Date();
var n = d.getFullYear();
function getAge(birthYear){
var currentDate = new Date();
var currentYear = currentDate.getFullYear();
age = currentYear - birthYear;
return age;
}
calculatedAge = getAge(year_born);
alert("Hello, " + "you are " + calculatedAge + " years old!");
Example 2: how to code a check age function in javascript
function Person(dob) {
this.birthday = new Date(dob);
this.calculateAge = function() {
const diff = Date.now() - this.birthday.getTime();
const ageDate = new Date(diff);
console.log(ageDate.getUTCFullYear());
return Math.abs(ageDate.getUTCFullYear() - 1970);
};
}
var age =new Person('2000-1-1').calculateAge();
console.log(age);