What is the correct term for a JSON object with methods?

Question

If I have the following code:

var person = {
    firstName: "John",
    lastName : "Doe",
    id       : 5566,
    fullName : function() {
       return this.firstName + " " + this.lastName;
    }
};

What is it called? Is it just a JSON object, even though it has a function binding? In the example I gave, could I call fullName a method?

That's not JSON, that's an Object Literal. JSON has very specific syntax — Sterling Archer, Mar 04 '18 at 18:48
To add on, you can't have functions in JSON. Using `JSON.stringify` on the object that you provided, it just skips over `fullName` — vityavv, Mar 04 '18 at 18:49
^^ furthermore JSON is **always** a string. It's a serialization format. — Thomas, Mar 04 '18 at 18:50
@kuwze did you checked the answer ? I hope it will be as per your expectation. — Debug Diva, Mar 06 '18 at 07:50

score 1 · Accepted Answer · answered Mar 05 '18 at 10:26

You can find the difference in JSON & Object literal here.

person is an object literal.

Properties (firstName, lastName, id) is like a noun which refers the person details.

Method (fullName) is like a verb that describes an action.

var person = {
    firstName: "John",
    lastName : "Doe",
    id       : 5566,
    fullName : function() {
       return this.firstName + " " + this.lastName;
    }
};

console.log("FirstName :", person.firstName);
console.log("Full Name :", person.fullName());

Here, person is an object. It has a property person.firstName, person.lastName, person.id and method person.fullName() that return full name of the person which include the person firstName & lastName property.

What is the correct term for a JSON object with methods?

1 Answers1