如何在Internet Explorer 9开发人员工具中定位:: before和:: after伪元素？
[英]How to target ::before and ::after pseudo elements in Internet Explorer 9 Developer Tools?
问题描述
When inspecting elements in IE9 Developer Tools I can't see the pseudo elements I have defined in my CSS in the HTML pane: 
在IE9 Developer Tools中检查元素时，我无法在HTML窗格中看到我在CSS中定义的伪元素：
However I can see them in the CSS pane, but they have strike-through suggesting the styles are being overridden, and hence have no effect when modifying them. 但是我可以在CSS窗格中看到它们，但是它们有突破显示样式被覆盖，因此在修改它们时没有任何效果。
How do I target ::before and ::after elements for inspection in IE9? 如何在IE9中检查:: before和:: after元素以进行检查？
Note: this may appear to be a duplicate of this question but in my case the elements are div container elements, so I don't think the answer to that question applies here. 注意：这似乎是这个问题的重复，但在我的情况下，元素是div容器元素，所以我认为这个问题的答案不适用于此。
1 个解决方案
解决方案1
1 已采纳 2018-10-01 15:31:20
Quoting from another answer: 引用另一个答案：
IE 9 supports the notations ::after and ::before (with two colons) in “standards mode”.
https://stackoverflow.com/a/14145917/5973334 https://stackoverflow.com/a/14145917/5973334
So the only possible reason would be for something in you code to have activated the “quirks mode” 所以唯一可能的原因是你的代码中有些东西激活了“怪癖模式”
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