JS function solution?

Question

//function outside of constructor function and associate it with objects
function Person(name,age){
this.name=name;
this.age=age;
}
function age(){
return 2021-this.age;
}
var P=new Person(1998);
document.write(P.age());

Answer 1

yes there is only javascript then why have you put tags for html css php

Answer 2

Pls use appropriate tags for more faster solutions

Remove css css3 html php
And

Use tags like js javascript functions objects constructors

Answer 3

There is javascript only bro