<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>Test for Bug 341604</title> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <script type="text/javascript"> function doStuff() { // should be able to execute scripts window.parent.parent.postMessage({ok: true, desc: "a document contained within an iframe contained within an iframe sandboxed with 'allow-scripts' should be able to execute scripts"}, "*"); } </script> <body onLoad="doStuff()"> I am NOT sandboxed but am contained within an iframe contained within an iframe sandboxed with sandbox = "allow-scripts" </body> </html>