<html> <head> <title>Testcase for bug 498897</title> <script type="application/javascript" language="javascript"> <!-- function test() { var hadException = false; try { document.createComment('a'); } catch (e) { hadException = true; } parent.ok(!hadException, "Shouldn't have got an exception!"); parent.testFinished(); } //--> </script> </head> <body onload="test();"> </body> </html>