<html xmlns="http://www.w3.org/1999/xhtml"> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=339494 --> <head> <title>Test for Bug 339494</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=339494">Mozilla Bug 339494</a> <p id="display"></p> <div id="content" style="display: none"> <div id="d" /> <div id="s" /> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 339494 **/ var d = document.getElementById("d"); d.setAttribute("hhh", "testvalue"); document.addEventListener("DOMAttrModified", removeItAgain, false); d.removeAttribute("hhh"); document.removeEventListener("DOMAttrModified", removeItAgain, false); function removeItAgain() { ok(!d.hasAttribute("hhh"), "Value check 1", "There should be no value"); isnot(d.getAttribute("hhh"), "testvalue", "Value check 2"); document.removeEventListener("DOMAttrModified", removeItAgain, false); d.removeAttribute("hhh"); ok(true, "Reachability", "We shouldn't have crashed"); } var s = document.getElementById("s"); s.setAttribute("ggg", "testvalue"); document.addEventListener("DOMAttrModified", compareVal, false); s.setAttribute("ggg", "othervalue"); document.removeEventListener("DOMAttrModified", compareVal, false); function compareVal() { ok(s.hasAttribute("ggg"), "Value check 3", "There should be a value"); isnot(s.getAttribute("ggg"), "testvalue", "Value check 4"); is(s.getAttribute("ggg"), "othervalue", "Value check 5"); } </script> </pre> </body> </html>