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<!DOCTYPE html>
<meta charset="utf-8" />
<title>Dynamic inertness on focused element</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focus-fixup-rule">
<meta name="assert" content="If a focused element becomes inert, it stops being focused.">
<div id="log"></div>
<div class="test-wrapper" data-name="<input> that gets 'inert' attribute">
<input class="becomes-inert check-focus">
</div>
<div class="test-wrapper" data-name="<input> whose parent gets 'inert' attribute">
<div class="becomes-inert">
<input class="check-focus">
</div>
</div>
<div class="test-wrapper" data-name="<button> that gets 'inert' attribute">
<button class="becomes-inert check-focus">foo</button>
</div>
<div class="test-wrapper" data-name="<div> that gets 'inert' attribute">
<div class="becomes-inert check-focus" tabindex="-1"></div>
</div>
<div class="test-wrapper" data-name="<div> whose parent gets 'inert' attribute">
<div class="becomes-inert">
<div class="check-focus" tabindex="-1">bar</div>
</div>
</div>
<div class="test-wrapper" data-name="<div> whose grandparent gets 'inert' attribute">
<div class="becomes-inert">
<p>
<span class="check-focus" tabindex="-1">baz</span>
</p>
</div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
function nextRepaint() {
return new Promise(resolve => {
requestAnimationFrame(() => {
requestAnimationFrame(resolve);
});
});
}
const loaded = new Promise(resolve => {
addEventListener("load", resolve, {once: true});
});
promise_setup(() => loaded);
for (const testWrapper of document.querySelectorAll(".test-wrapper")) {
const becomesInert = testWrapper.querySelector(".becomes-inert");
const checkFocus = testWrapper.querySelector(".check-focus");
promise_test(async function() {
checkFocus.focus();
assert_equals(document.activeElement, checkFocus, "The element is focused");
becomesInert.inert = true;
// The focus fixup rule should blur the element since it's no longer focusable.
// In Chromium this happens after a repaint (https://crbug.com/1275097).
await nextRepaint();
assert_equals(document.activeElement, document.body, "The element stops being focused");
}, testWrapper.dataset.name);
}
</script>
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