css - 使用等号修改 span 的 CSS

Question

我有这个奇怪的代码:

<h1>Firmware 0.6 <span="postdate">April 02, 2015</span>
</h1>

如何使用 CSS 仅更改其中包含 ="postdate" 的特定范围？

问题发生在一个普遍存在的模板中，例如:http://luebeck.freifunk.net/2015/01/07/announce-0.6.html

主要source in github已经更正了，但我想知道如何通过仅访问 CSS 文件来解决此问题。

Answer 1

那不是有效的 HTML。

如果您使用 HTML validator 验证它，您将收到以下内容:

an attribute specification must start with a name or name token

An attribute name (and some attribute values) must start with one of a restricted set of characters. This error usually indicates that you have failed to add a closing quotation mark on a previous attribute value (so the attribute value looks like the start of a new attribute) or have used an attribute that is not defined (usually a typo in a common attribute name).

就其值(value)而言，您技术上可以通过转义 =/" 字符来选择它。

不幸的是，由于 HTML 中的语法错误，这也将选择所有后续元素。

span\=\"postdate\" {
    color: red;
}

<span>Other span</span>

<span="postdate">April 02, 2015</span>

<p>Some paragraph</p>

<span>Everything appearing after the invalid span will get selected due to the syntax error!</span>