textarea-selection-while-parsing.xhtml

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/textfieldselection/textarea-selection-while-parsing.xhtml - WPT Dashboard Interop Dashboard

<?xml version="1.0"?>

<html xmlns="http://www.w3.org/1999/xhtml">

<body>

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

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

<textarea>

<script>document.querySelector('textarea').value = 'ggg';</script>

</textarea>

<script>

test(() => {

  let ta = document.querySelector('textarea');

  assert_equals(ta.selectionStart, 3);

  assert_equals(ta.selectionEnd, 3);

}, 'Value setter while parsing textarea children should move ' +

    'selection{Start,End} to the end');

</script>

</body>

</html>