eventsource-onmessage-realm.htm (752B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>EventSource: message event Realm</title> 4 <link rel="help" href="https://html.spec.whatwg.org/multipage/comms.html#dispatchMessage"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 8 <iframe src="resources/eventsource-onmessage-realm.htm"></iframe> 9 10 <script> 11 "use strict"; 12 13 async_test(t => { 14 window.onload = t.step_func(() => { 15 const source = new frames[0].EventSource("message.py"); 16 t.add_cleanup(() => { 17 source.close(); 18 }); 19 20 source.onmessage = t.step_func_done(e => { 21 assert_equals(e.constructor, frames[0].MessageEvent); 22 }); 23 }); 24 }, "the MessageEvent must be created in the Realm of the EventSource"); 25 </script>