This tests the prototype chain of DOMException objects. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS e.toString() is "HierarchyRequestError: The operation would yield an incorrect node tree." PASS Object.prototype.toString.call(e) is "[object DOMException]" PASS Object.prototype.toString.call(e.__proto__) is "[object DOMException]" PASS Object.prototype.toString.call(e.__proto__.__proto__) is "[object Object]" PASS e.constructor.toString() is "function DOMException() {\n [native code]\n}" PASS e instanceof DOMException is true PASS e instanceof Error is true PASS e.constructor is window.DOMException PASS e.HIERARCHY_REQUEST_ERR is e.constructor.HIERARCHY_REQUEST_ERR PASS e.HIERARCHY_REQUEST_ERR is 3 PASS e.code is 3 PASS e.name is "HierarchyRequestError" PASS e.message is "The operation would yield an incorrect node tree." PASS successfullyParsed is true TEST COMPLETE