gistfile1.js

// an IO-like clone system for javascript.  thoughts?

Object.prototype.clone = function() {
  return Object.create(this);
}

Object.prototype.merge = function(obj) {
  var
    keys = Object.keys(obj),
    self = this
  ;
  keys.forEach(function(key) {
    self[key] = obj[key]
  });
  return this;
}

Object.prototype.inherit = function(obj) {
  return this.clone().merge(obj);
}

mySharedPrototpe = {
  a: 1,
  b: function() { return 2; }
  //etc
}

function MyConstructor() {
  // ...
}
MyConstructor.prototype = mySharedPrototype.inherit({
  a: 4,
  c: "LOL"
});

o = new MyConstructor();
o.a // => 4
o.b // => function() { return 2; }
o.c // => "LOL"