зеркало из https://github.com/mozilla/gecko-dev.git
16 строки
345 B
HTML
16 строки
345 B
HTML
<html>
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<head>
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<script>
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function start() {
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const o1 =
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document.createElementNS('http://www.w3.org/1999/xhtml', 'slot');
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const observer = new ResizeObserverEntry(o1);
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typeof observer.borderBoxSize;
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typeof observer.contentBoxSize;
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}
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window.addEventListener('load', start);
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</script>
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</head>
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</html>
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