зеркало из https://github.com/mozilla/gecko-dev.git
13 строки
248 B
HTML
13 строки
248 B
HTML
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<!DOCTYPE html>
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<html>
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<body>
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<script>
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var b = document.createElement("body");
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b.style.overflow = "scroll";
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var h = document.documentElement;
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h.insertBefore(b, h.firstChild);
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b.offsetWidth;
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b.remove();
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</script>
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</html>
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