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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/interaction/focus/sequential-focus-navigation-after-disabled.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Test focus sequential navigation after disabling focused element</title>
<link rel="author" title="Aditya Keerthi" href="https://github.com/pxlcoder">
<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#focus-fixup-rule">
<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#sequential-focus-navigation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
</head>
<body>
<button id="first" tabindex="1">First</button>
<button id="target" tabindex="2">Target</button>
<button id="third" tabindex="3">Third</button>
<script>
promise_test(async t => {
const target = document.getElementById("target");
const third = document.getElementById("third");
target.disabled = false;
target.focus();
assert_equals(document.activeElement, target, "Target button must be focused");
target.disabled = true;
await new Promise(requestAnimationFrame);
await new Promise(requestAnimationFrame);
assert_not_equals(document.activeElement, target, "Disabled button must not be focused");
await test_driver.send_keys(document.body, "\ue004");
assert_equals(document.activeElement, third, "Tab should move focus to the next element after the disabled button");
}, "Tab after disabling a focused button moves focus to the next focusable element");
</script>
</body>
</html>