зеркало из https://github.com/mozilla/pjs.git
15 строки
392 B
HTML
15 строки
392 B
HTML
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML">
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<head>
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<script>
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function boom()
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{
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document.getElementById("iframe").appendChild(document.createElement("span"));
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document.getElementById("mrow").appendChild(document.createElement("span"));
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}
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</script>
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</head>
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<body onload="boom();"><m:mrow id="mrow"><iframe id="iframe"/></m:mrow></body>
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</html>
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