&在Sass中使用特定标签 [英] & use in Sass for specific tag

问题描述

我想使用& （其指代类）与标签的组合。像这个例子：

I want to use the & (which refers to a class) in combination with a tag. Like this example:

.back {
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 700;
    color: blue;

    &:hover {
        color: red;
   }
}

我只想使用a-tags 。以下是不可能的

I want only to use the hover for a-tags. The following is not possible

a&:hover {
     color: red;
}

有人知道吗？

推荐答案

如果我正确理解你的问题，你只需要不需要& ：

If I understand your question correctly, you just don't need the &:

.back {
  ...

  a:hover {
    color: red;
 }

}

在sass中，这将编译为 .back a：hover {color：red; } 。你不需要&，因为这是用来进一步扩展回类，我不认为你想这样做。

In sass, this will compile to .back a:hover { color:red; }. You don't need the &, as this is used to further extend the back class, which I don't think you want to do.

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