CSS3 选择器根据第一个子级选择父级
我可以编写一些 CSS3 选择器来执行以下操作：
选择第一个子级是“A”的“LI”吗？
Is there some CSS3 selector that I can write to do the following:
Select the "LI" whose first child is an "A"?
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不，不幸的是不是，因为您将根据其后代选择祖先。遗憾的是，这与级联样式表的“级联”背道而驰。不过，如果这个功能能够实现的话，我会非常感激。
尽管给定标签“jquery-selectors”，您可以在 jQuery 中使用：
用 JS Fiddle 验证演示。
CSS 3 短暂地有一个
:contains() 伪选择器可能对此有用，但此后似乎已被删除。Edited to incorporate @patrick dw's correction (from
$('li:has("> a")')...to the above example.Edited to update the demo URL to a demonstration of the corrected jQuery selector.
No, unfortunately not, because you'd be selecting an ancestor based on its descendant. This operates against the 'cascade' of the Cascading Style Sheets, sadly. Though it's a feature that I would much appreciate were it ever to be possible.
Though given the tag 'jquery-selectors' you could, in jQuery, use:
Verified with a JS Fiddle demo.
CSS 3 briefly had a
:contains() pseudo-selectorthat might have been useful for this, but since appears to have been removed.Edited to incorporate @patrick dw's correction (from
$('li:has("> a")')...to the above example.Edited to update the demo URL to a demonstration of the corrected jQuery selector.