<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=402680 --> <head> <title>Test for Bug 402680</title> <script> var activeElementIsNull = (document.activeElement == null); </script> <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=402680">Mozilla Bug 402680</a> <p id="display"></p> <div id="content"> <input type="text"> <textarea></textarea> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 402680 **/ ok(activeElementIsNull, "Before document has body, active element should be null"); function testActiveElement() { ok(document.body == document.activeElement, "After page load body element should be the active element!"); var input = document.getElementsByTagName("input")[0]; input.focus(); ok(document.activeElement == input, "Input element isn't the active element!"); var textarea = document.getElementsByTagName("textarea")[0]; textarea.focus(); ok(document.activeElement == textarea, "Textarea element isn't the active element!"); SimpleTest.finish(); } SimpleTest.waitForExplicitFinish(); addLoadEvent(testActiveElement); </script> </pre> </body> </html>