gistfile1.js

var Student = {
    chat: function() {
        return "hello i'm " + this.name + " from " + this.sclass + " and my teacher is " + this.form_teacher + ".";
    }
}

var kenny = Object.create(Student);
kenny.name = "kenny";
kenny.sclass = "4B";
kenny.form_teacher = "Mr Sim";