overflow-y：当overflow-x：hidden存在时，可见不工作 [英] overflow-y:visible not working when overflow-x:hidden is present
问题描述
在Chrome或Firefox中无法正常使用。是否有任何解决方法？
Doesn't work properly in Chrome or Firefox. Is there any workaround to this?
<!DOCTYPE html>
<html>
<head></head>
<body>
<h3>overflow-y:visible</h3>
with overflow-x:hidden
<div style="overflow-x:hidden;overflow-y:visible;width:100px;height:100px; position:relative;background:#666;">
<div style="top:20px;left:20px; width:420px;height:420px;position:absolute;background:#420;">
</div>
</div>
without overflow-x:hidden
<div style="overflow-y:visible;width:100px;height:100px;position:relative;background:#666;">
<div style="top:20px;left:20px; width:420px;height:420px;position:absolute;background:#420;">
</div>
</div>
</body>
</html>
现实生活中的场景包含了绝对必须有overflow-x：hidden的组件，但会触发需要的弹出菜单以能够在y方向上从元件断开。
The real life scenario involves components that absolutely must have overflow-x:hidden, but that will trigger popup-menus that need to be able to break free from the element in y-direction. Should I just position those menus outside their parent components, or is there a better fix?
推荐答案
这可能与其中的父组件有关问题在这里： CSS overflow-x：visible ;和overflow-y：hidden;导致滚动条问题
This likely has to do with the issue addressed here: CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue
总之，当使用 visible -x 或 overflow-y 和可见 code> visible 值解释为 auto 。
In short, when using visible for either overflow-x or overflow-y and something other than visible for the other, the visible value is interpreted as auto.
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