This test should trigger 'window.onerror' multiple times, and successfully handle the errors. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". window.onerror: "Uncaught Error: Inline exception." at onerror-test.js (Line: 6, Column: 5) Stack Trace: Error: Inline exception. at throwException onerror-test.js:6:11 at window-onerror-10.html:22:9 Returning 'true': the error should not be reported in the console as an unhandled exception. window.onerror: "Uncaught Error: exception in onload" at onerror-test.js (Line: 6, Column: 5) Stack Trace: Error: exception in onload at throwException onerror-test.js:6:11 at onload window-onerror-10.html:11:205 Returning 'true': the error should not be reported in the console as an unhandled exception. window.onerror: "Uncaught Error: exception in setTimeout" at onerror-test.js (Line: 6, Column: 5) Stack Trace: Error: exception in setTimeout at throwException onerror-test.js:6:11 at window-onerror-10.html:11:155 PASS successfullyParsed is true TEST COMPLETE