зеркало из https://github.com/mozilla/gecko-dev.git
12 строки
348 B
HTML
12 строки
348 B
HTML
<style>
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html { -moz-column-width:0 }
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</style>
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<script>
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document.documentElement.appendChild(document.createElement("option"))
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document.documentElement.appendChild(document.createElement("th"))
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document.styleSheets[0].insertRule("c{", 0)
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document.documentElement.getBoundingClientRect()
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document.styleSheets[0].deleteRule(0)
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</script>
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<body></body>
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