27 lines
1.1 KiB
HTML
27 lines
1.1 KiB
HTML
<html>
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<body>
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<div id="outer" style="position: absolute; top: 50px; overflow: hidden; width: 100px; height: 100px; background-color: red;">
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<!-- removing this will make 'outer' the layout root -->
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<div style="position: absolute; top: 0;"></div>
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<div style="position: absolute; overflow: hidden; width: 100px; height: 100px;">
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<!-- removing this will make its parent a candidate layout
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root. Since 'outer' is already a root, only the chain
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from the parent to 'outer' should be marked. There are two
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chains, positioned and normal (because of the static Y).
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The bug was that because the existing root was the parent,
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rather than a more distant ancestor on the normal chain, it
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was skipped over and marking continued up to the view. -->
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<div></div>
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</div>
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</div>
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<script>
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function test() {
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document.body.offsetTop;
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document.getElementById("outer").style.display = "none";
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}
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test();
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</script>
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</body>
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</html>
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