<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=946585 --> <head> <meta charset="utf-8"> <title>Test for Bug 946585</title> <script type="application/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=946585">Mozilla Bug 946585</a> <p id="display"></p> <div id="content" style="display: none"> <form><div id="formdiv"></div></form> </div> <pre id="test"> </pre> <script type="application/javascript"> /** Test for Bug 946585 **/ var formDiv = document.getElementById("formdiv"); formDiv.innerHTML = '<form>'; is(formDiv.firstChild, null, "InnerHTML should not produce form element because the div has a form pointer."); </script> </body> </html>