问题描述
我试图找到一个CSS选择器，可以帮助我区分这两种不同用法中的< var> 标记：
I'm trying to find a CSS selector that can help me distinguish between the <var> tags in these 2 different usages:
<p><var>Foo</var></p>
和
<p>Some text <var>Foo</var> and more text</p>
基本上如果一个var有一个文本节点的兄弟节点，建议？
Basically if a var has a sibling that is a text node I need to style it differently. Suggestions?
推荐答案
这是不可能的，对不起。查看讨论：或官方W3C网页，你可以看到，即使CSS3不会支持这一点。 CSS甚至考虑DOM文本节点的唯一方法是：空的伪类选择空的元素，即没有孩子，也没有文本节点。
This is not possible, sorry. Check out that discussion: http://forum.userstyles.org/comments.php?DiscussionID=6 or the official W3C pages http://www.w3.org/TR/css3-selectors/ where you can see that even CSS3 will not support this. The only way CSS even considers the DOM text nodes is the :empty pseudo class selecting elements that are empty, i.e. do not have children neither text nodes.
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