20 lines
481 B
HTML
20 lines
481 B
HTML
<!DOCTYPE html>
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<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1498297">
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<style>
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* {
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margin-top: 100px;
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padding-left: 100px;
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position: sticky;
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bottom: 0px;
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}
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</style>
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<select id="select1" multiple="multiple" style="writing-mode: vertical-rl">
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<optgroup id="optgroup">text</optgroup>
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</select>
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<select id="select2" >text</select>
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<script>
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document.body.offsetTop;
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select2.add(optgroup);
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document.body.offsetTop;
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select1.length = 1;
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</script>
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