<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=952365 --> <head> <meta charset="utf-8"> <title>Test for Bug 952365</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> /** Test for Bug 952365 **/ var onvolumechange; var x = {}; (function() { onvolumechange = x; is(onvolumechange, x, "Should preserve an object value when assigning to event handler"); // Test that we don't try to actually call the non-callable object window.dispatchEvent(new Event("volumechange")); onvolumechange = 5; is(onvolumechange, null, "Non-object values should become null when assigning to event handler"); })(); </script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=952365">Mozilla Bug 952365</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> </pre> </body> </html>