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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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document.documentElement.scrollTop = "500";
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o1 = document.createRange();
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o2 = document.createElement('input');
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o1.selectNode(document.documentElement);
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o1.surroundContents(o2);
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o2.selectionStart;
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</script>
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</head>
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<body></body>
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</html> |