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22 lines
406 B
HTML
22 lines
406 B
HTML
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<html>
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<head>
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<script>
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function doe() {
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document.getElementById('a').style.display = 'table-column-group';
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document.body.offsetHeight;
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}
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</script>
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<style>
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div::before { content:"b";}
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div::after { content:"a";}
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</style>
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</head>
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<body onload="document.body.offsetHeight; setTimeout(doe,0);">
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<div style="display: table;">
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<span id="a" style="display: table-header-group; "></span>
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</div>
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</body>
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</html>
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