<!DOCTYPE html> <html class="reftest-wait"> <head> <script> var asvg = '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><script xlink:href="data:text/javascript," /><rect width="100" height="100" fill="green"><set attributeName="fill" attributeType="CSS" to="red" begin="0s" end="2s" dur="2s" fill="remove" /></rect></svg>'; function boom() { var f = document.createElementNS("http://www.w3.org/1999/xhtml", "iframe"); f.src = "data:text/html,1"; document.body.appendChild(f); var w; setTimeout(function() { w = window.open("data:text/html,<body onload=window.close()>", "_blank", "width=200,height=200"); // Note that most of the code below will execute before the window appears, and in fact before "w" becomes non-null. }, 0); setTimeout(function() { setTimeout(function() { }, 0); f.contentWindow.location = "data:image/svg+xml," + encodeURIComponent(asvg); setTimeout(function() { setTimeout(function() { setTimeout(function() { document.body.style.MozColumnCount = "2"; document.documentElement.className = ""; }, 20); }, 0); }, 0); }, 20); } window.addEventListener("MozReftestInvalidate", boom, false); </script> </head> <body></body> </html>