<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>test for bug 613013</title> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> </head> <body> <p>test for bug 613013</p> <script type="text/javascript"><!-- (function () { var iframe = document.createElement('iframe'); iframe.src = 'data:text/html;charset=utf-8,little iframe'; document.body.appendChild(iframe); console.log("foobarBug613013"); })(); // --></script> </body> </html>