View All Attachments for Bug 565312

Attachment #283634
html sample file to reproduce the problem	text/html	2020-07-17 17:23:30 EDT	452 bytes	no flags	Details

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>w iframe</title>
	<script>
		function init() {
			var myiframe = document.createElement('iframe');
			myiframe.setAttribute('src', 'javascript:""');
			document.body.appendChild(myiframe);
			document.getElementById("mycontent").innerText = "loaded";
		}
	</script>
  </head>
  <body onload="init();">
	<p id="mycontent">loading...</p>
  </body>
</html>