prototypal_inheritance.js

// Crockford's Prototypal Inheritance Example
// Slide 53, Act III: Function the Ultimate
// http://yuiblog.com/crockford

// Parent
var gizmo = new_constructor(Object, function (id) {
  this.id = id;
}, {
  toString: function () {
    return "gizmo " + this.id;
  }
});

// Child
var hoozit= new_constructor(gizmo, function (id) {
  this.id = id;
}, {
  test: function (id) {
    return this.id === id;
  }
});