зеркало из https://github.com/mozilla/gecko-dev.git
22 строки
444 B
HTML
22 строки
444 B
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<script>
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function boom()
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{
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var a = document.createElement("select");
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var f = document.createElement("optgroup");
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var g = document.createElement("optgroup");
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a.appendChild(f);
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g.appendChild(document.createElement("option"));
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f.appendChild(g);
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a.appendChild(document.createElement("option"));
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document.body.appendChild(a);
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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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