<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=456262 --> <head> <title>Test for Bug 456262</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=456262">Mozilla Bug 456262</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 456262 **/ function runTest() { document.expando = document; document.documentElement.expando = document; document.documentElement.setAttribute("foo", "bar"); document.documentElement.getAttributeNode("foo").expando = document; SpecialPowers.gc(); ok(document.expando, "Should have preserved the expando!"); ok(document.documentElement.expando, "Should have preserved the expando!"); ok(document.documentElement.getAttributeNode('foo').expando, "Should have preserved the expando!"); } runTest(); </script> </pre> </body> </html>