<!DOCTYPE html> <html> <head> <title> postMessage with Date object </title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <div id=log></div> <div style="display:none"> <iframe width="70%" onload="PostMessageTest()" src="{{location[scheme]}}://{{domains[www1]}}:{{location[port]}}/webmessaging/support/ChildWindowPostMessage.htm"></iframe> </div> <script> var description = "Test Description: Messages can contain JavaScript values (e.g., Dates)."; var t = async_test(description); var DATA = new Date(); var TYPE = "object"; var TARGET = document.querySelector("iframe"); function PostMessageTest() { TARGET.contentWindow.postMessage(DATA, "*"); } window.onmessage = t.step_func(function(e) { assert_equals(typeof(e.data), TYPE); assert_equals(e.data.valueOf(), DATA.valueOf()); assert_not_equals(e.data, DATA, "Object is cloned"); t.done(); }); </script> </body> </html>