Prototypal inheritance in JavaScript

Question

I\'ve been watching Douglas Crockford\'s talks at YUI Theater, and I have a question about JavaScript inheritance...

Douglas gives this example to show that \"Hoozit\" i

Answer 1

The reason is that using Hoozit.prototype = Gizmo.prototype would mean that modifying Hoozit's prototype object would also modify objects of type Gizmo, which is not expected behavior.

Hoozit.prototype = new Gizmo() inherits from Gizmo, and then leaves Gizmo alone.