dom/xhr/tests/file_sync_xhr_document_write_with_iframe.html

   1 <!DOCTYPE HTML>
   2 <body>
   3 <script>
   4 function syncXHR() {
   5   let xhr = new XMLHttpRequest();
   6   xhr.open("GET", window.location, false);
   7   xhr.send(null);
   8 }
   9
  10 addEventListener('load', () => {
  11   syncXHR();
  12   document.open();
  13   document.write(
  14     '<body>' +
  15     '<iframe src="about:blank"></iframe>' +
  16     // eslint-disable-next-line no-useless-concat
  17     '<script>window.opener.postMessage("DONE", "*");</' + 'script>' +
  18     '</body>');
  19   document.close();
  20 }, { once: true });
  21 </script>
  22 </body>