зеркало из https://github.com/mozilla/gecko-dev.git
20 строки
384 B
HTML
20 строки
384 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<!--
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user_pref("dom.webcomponents.enabled", true);
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-->
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<script>
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function boom() {
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var x = document.createElementNS("http://www.mozilla.org/xbl", "children");
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x.appendChild(document.createTextNode("t"));
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document.body.attachShadow({ mode: "open" }).appendChild(x);
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}
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</script>
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</head>
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<body onload="boom();"></body>
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</html>
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