<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=404748 --> <head> <title>Test for Bug 404748</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=404748">Mozilla Bug 404748</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 404748 **/ var setterCalled = false; HTMLDivElement.prototype. __defineSetter__("onclick", function () { window.setterCalled = true }); $("content").onclick = function () {}; is(setterCalled, true, "Setter should have been called"); </script> </pre> </body> </html>