frameElement-sibling-accessed.html (344B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>This page will set its document.domain on request so that its sibling can access it</title> 4 5 <h1>I did get loaded</h1> 6 7 <script> 8 "use strict"; 9 10 window.onmessage = e => { 11 const { newDocumentDomain } = e.data; 12 document.domain = newDocumentDomain; 13 14 parent.postMessage("done", "*"); 15 }; 16 </script>