first-when-later-but-before.html

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This WPT test may be referenced by the following Test IDs:
- /html/interaction/focus/the-autofocus-attribute/first-when-later-but-before.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>The temporally first autofocus in the document wins, even if an element is inserted later that is previous in the document tree</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/#autofocusing-a-form-control:-the-autofocus-attribute">

<link rel="author" title="Domenic Denicola" href="d@domenic.me">

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

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

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

<input autofocus>

<script>

"use strict";

promise_test(async () => {

  const input1 = document.querySelector("input");

  const input2 = document.createElement("input");

  input2.autofocus = true;

  document.body.prepend(input2);

  await waitUntilStableAutofocusState();

  assert_equals(document.activeElement, input1);

  assert_not_equals(document.activeElement, input2);

}, 'The temporally first autofocus in the document wins, even if an element is inserted later that is previous in the document tree.');

</script>