<html xmlns="http://www.w3.org/1999/xhtml"> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=404209 --> <head> <title>Test for Bug 404209</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> <style type="text/css"> div::first-letter { color: green; } </style> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=404209">Mozilla Bug 404209</a> <table id="table" dir="rtl"><div><span id="v"><span><tfoot></tfoot>abcd</span></span></div></table> <pre id="test"> <script class="testbody" type="text/javascript"> function boom1() { document.getElementById("table").style.borderRight = "1px solid magenta"; setTimeout(boom2, 400); } function boom2() { var v = document.getElementById("v"); var newTD = document.createElementNS("http://www.w3.org/1999/xhtml", "td"); newTD.setAttribute("width", "13%"); v.insertBefore(newTD, v.firstChild); setTimeout(lastTest, 400); } function lastTest() { /** Test for Bug 404209 **/ ok(true, "Should not crash"); SimpleTest.finish(); } SimpleTest.requestFlakyTimeout("untriaged"); setTimeout(boom1, 400); SimpleTest.waitForExplicitFinish(); </script> </pre> </body> </html>