What a hell?

Question

function person(name, age) {
this.name= name;
this.age = age;
this.yearOfBirth = bornYear;
}
function bornYear() {
return 2016 - this.age;
}

var p = new person("A", 22);

document.write(p.yearOfBirth());

Enybody explain please I’m understand it right?
Document.write-> p -> function person -> this.year of Birth -> function Born Year -> function person ( this.age) ? It is right order output result?

Answer 1

Do you mean you want to know in which order the code is executed?

First, the object p will be made, that's the function 'person'.

Then, when you document.write using the method call YearOfBirth, we go into your person p, find a pointer to the function bornYear, and from there, p's attribute age is accessed.

The calculation result is returned to the point of document.write, and the output is done.

Answer 2

I think you need to modify the question title to a better one.