chromium/third_party/blink/web_tests/external/wpt/dom/events/event-disabled-dynamic.html

<!doctype html>
<meta charset=utf-8>
<title>Test that disabled is honored immediately in presence of dynamic changes</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="author" title="Andreas Farre" href="mailto:[email protected]">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#enabling-and-disabling-form-controls:-the-disabled-attribute">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1405087">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<input type="button" value="Click" disabled>
<script>
async_test(t => {
  // NOTE: This test will timeout if it fails.
  window.addEventListener('load', t.step_func(() => {
    let e = document.querySelector('input');
    e.disabled = false;
    e.onclick = t.step_func_done(() => {});
    e.click();
  }));
}, "disabled is honored properly in presence of dynamic changes");
</script>