testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/support/sandbox_allow_script.html


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<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: sandbox_allow_scripts</title>
<link rel="author" title="Intel" href="http://www.intel.com/">
<div id="test">Before change</div>
<script>
  parent.window.postMessage("Script executed", "*");
</script>