<html><head> <title>Prototype Pattern Example 3</title> <script type="text/javascript"> function Person(){ } Person.prototype.name = "Nicholas"; Person.prototype.age = 29; Person.prototype.job = "Software Engineer"; Person.prototype.sayName = function(){ alert(this.name); }; var person1 = new Person(); var person2 = new Person(); person1.name = "Greg"; alert(person1.name); //"Greg" from instance alert(person2.name); //"Nicholas" ?from prototype delete person1.name; alert(person1.name); //"Nicholas" - from the prototype </script></head><body></body></html>