xmlhttprequest-sync-block-scripts.html

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This WPT test may be referenced by the following Test IDs:
- /xhr/xmlhttprequest-sync-block-scripts.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Check that while a sync XHR is in flight async script loads don't complete and run script</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<body>

<script>

var scriptRan = false;

var onloadFired = false;

test(function() {

  var s = document.createElement("script");

  s.src = "data:application/javascript,scriptRan = true;";

  s.onload = function() { onloadFired = true; }

  document.body.appendChild(s);

  var xhr = new XMLHttpRequest();

  xhr.open("GET", "data:,", false);

  xhr.send();

  assert_false(scriptRan, "Script should not have run");

  assert_false(onloadFired, "load event for <script> should not have fired");

});

</script>

</body>