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17 lines
543 B
HTML
17 lines
543 B
HTML
<!DOCTYPE html>
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<html>
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<script>
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// requires: user_pref("dom.webcomponents.shadowdom.enabled", true);
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addEventListener("DOMContentLoaded", function(){
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let o_0 = document.createElement("span").attachShadow({ mode: "open" });
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let o_1 = document.createElementNS("http://www.mozilla.org/xbl", "binding");
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let o_2 = document.createElementNS("http://www.mozilla.org/xbl", "children");
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let o_3 = document.createTextNode("");
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o_0.appendChild(o_1);
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o_1.appendChild(o_2);
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o_2.appendChild(o_3);
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o_2.removeChild(o_3);
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});
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</script>
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</html>
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