textarea-setcustomvalidity.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-textarea-element/textarea-setcustomvalidity.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<title>textarea setCustomValidity</title>

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

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

<textarea id='textarea_test'></textarea>

<script>

test(() => {

  let elem = document.getElementById("textarea_test");

  assert_false(elem.validity.customError);

  elem.setCustomValidity("custom error");

  assert_true(elem.validity.customError);

}, "textarea setCustomValidity is correct")

</script>