| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/dom/base/test/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 1 kB |
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Quelle test_focus_shadow_dom_root.htmlSprache: HTML |
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<!doctype html> <title>Test for bug 1544826</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script src="/tests/SimpleTest/EventUtils.js"></script> <div id="host"><a href="#" id="slotted">This is focusable too</a></div> <script> const host = document.getElementById("host"); const shadow = host.attachShadow({ mode: "open" }); shadow.innerHTML = ` <a id="shadow-1" href="#">This is focusable</a> <slot></slot> <a id="shadow-2" href="#">So is this</a> `; document.documentElement.remove(); document.appendChild(host); SimpleTest.waitForExplicitFinish(); SimpleTest.waitForFocus(async function() { // Enable Full Keyboard Access emulation on Mac. if (navigator.platform.indexOf("Mac") === 0) { await SpecialPowers.pushPrefEnv({"set": [["accessibility.tabfocus", 7]]}); } is(document.documentElement, host, "Host is the document element"); host.offsetTop; synthesizeKey("KEY_Tab"); is(shadow.activeElement.id, "shadow-1", "First link in Shadow DOM is focused"); synthesizeKey("KEY_Tab"); is(document.activeElement.id, "slotted", "Slotted link is focused"); synthesizeKey("KEY_Tab"); is(shadow.activeElement.id, "shadow-2", "Second link in Shadow DOM is focused"); // Now backwards. synthesizeKey("KEY_Tab", {shiftKey: true}); is(document.activeElement.id, "slotted", "Backwards: Slotted link is focused"); synthesizeKey("KEY_Tab", {shiftKey: true}); is(shadow.activeElement.id, "shadow-1", "Backwards: First slotted link is focused"); SimpleTest.finish(); }); </script>
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2026-08-25