es6 - classes - 4.js

es6 - classes - 4.js

var es5_Person = function (firstname, lastname) {
    this.firstname = firstname;
    this.lastname = lastname;
    this.greet = function () {
        console.log('Hello I am ' + this.firstname + ' ' + this.lastname);
    }
}
var john = new es5_Person('John', 'Doe');
john.greet(); // outputs: Hello my name is John Doe