page-that-post-message-to-opener.html - mozsearch

mozilla-central/testing/web-platform/tests/html/browsers/browsing-the-web/navigating-across-documents/resources/page-that-post-message-to-opener.html

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<!DOCTYPE html>

<meta charset="utf-8">

<title>Page that postMessage to its opener</title>

<script>

  opener.postMessage('Allowed', '*');

</script>