зеркало из https://github.com/mozilla/gecko-dev.git
9 строки
175 B
HTML
9 строки
175 B
HTML
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<!DOCTYPE html>
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<script>
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var v = document.createElementNS("http://www.w3.org/1999/xhtml", "video");
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v.QueryInterface(Ci.nsIObserver);
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v.observe(null, null, null);
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</script>
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