Tests the properties of the EventException object. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS e.toString() is "Error: UNSPECIFIED_EVENT_TYPE_ERR: DOM Events Exception 0" PASS Object.prototype.toString.call(e) is "[object EventException]" PASS Object.prototype.toString.call(e.__proto__) is "[object EventExceptionPrototype]" PASS e.constructor.toString() is "[object EventExceptionConstructor]" PASS e.constructor is window.EventException PASS e.UNSPECIFIED_EVENT_TYPE_ERR is e.constructor.UNSPECIFIED_EVENT_TYPE_ERR PASS e.UNSPECIFIED_EVENT_TYPE_ERR is 0 PASS successfullyParsed is true TEST COMPLETE