quadroid/clonejs-nano — pull request #3 by intmainreturn0 (2013-11-16 11:44:36+00:00)
Title: Modified byObjectCreate: use defineProperty

IE 9-10 doesn't know __proto__, but has Object.create - that's why cloning byObjectCreate is automatically invoked for it.
But if ownProperties object had overriden get/set properties, they were not copied.
Now they are.