var person = {
    firstName   :"Penelope",
    lastName    :"Barrymore",
    // Since the "this" keyword is used inside the showFullName method below, and the showFullName method is defined on the person object,
    // "this" will have the value of the person object because the person object will invoke showFullName ()
    showFullName:function () {
    console.log (this.firstName + " " + this.lastName);
    }

    }

    person.showFullName (); // Penelope Barrymore