зеркало из https://github.com/mozilla/gecko-dev.git
15 строки
404 B
HTML
15 строки
404 B
HTML
<html>
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<head>
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<script>
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window.addEventListener('load', () => {
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const element = document.createElementNS('', 't')
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document.designMode = 'on'
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const range = new Range()
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range.selectNodeContents(element)
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range.surroundContents(document.documentElement)
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document.execCommand('insertHorizontalRule', false, null)
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})
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</script>
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</head>
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</html>
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