new Event() without parameter should throw because the type parameter is mandatory as per the specification: https://dom.spec.whatwg.org/#interface-event Both Firefox and Chrome throw in this case. WebKit creates an event whose type is the string "undefined".
rdar://problem/22565070
Created attachment 261162 [details] Patch
Comment on attachment 261162 [details] Patch Attachment 261162 [details] did not pass mac-wk2-ews (mac-wk2): Output: http://webkit-queues.webkit.org/results/172003 New failing tests: fast/dom/constructed-objects-prototypes.html
Created attachment 261164 [details] Archive of layout-test-results from ews104 for mac-mavericks-wk2 The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews. Bot: ews104 Port: mac-mavericks-wk2 Platform: Mac OS X 10.9.5
Comment on attachment 261162 [details] Patch Attachment 261162 [details] did not pass mac-ews (mac): Output: http://webkit-queues.webkit.org/results/172031 New failing tests: fast/dom/constructed-objects-prototypes.html
Created attachment 261165 [details] Archive of layout-test-results from ews101 for mac-mavericks The attached test failures were seen while running run-webkit-tests on the mac-ews. Bot: ews101 Port: mac-mavericks Platform: Mac OS X 10.9.5
Created attachment 261177 [details] Patch
Comment on attachment 261177 [details] Patch Clearing flags on attachment: 261177 Committed r189827: <http://trac.webkit.org/changeset/189827>
All reviewed patches have been landed. Closing bug.