是否有一个css属性，它什么也不会改变，而且我们可以在哪里存储信息? [英] Are there a css property that would change nothing and where we can store information?

问题描述

有css属性不会改变什么吗?

Are there a css property that would change nothing?

在编写 scss 时，经常会出于测试目的而需要它，只是为了确保我正确创建了一个CSS选择器.例如，我很高兴拥有这样的 foo:"helloworld1"; ，以后我就可以更改 foo 的值并检查值，以查看我的选择器确实达到了正确的元素.

I need this for testing purposes very often when writing scss just to see that I created a css selector correctly. For instance, I would be glad to have something like this foo: "helloworld1"; and later on I would be able to change the value of the foo and check the value in the developer tools to see that my selectors have indeed reached a correct element.

我考虑过使用 width:auto; ，但有时会指定宽度(例如 width:100px; ).

I thought about using the width: auto;, but sometimes the width is specified (e.g. width: 100px;).

推荐答案

使用

自定义属性仅供作者和用户使用；CSS绝不会赋予它们超出此处所提供含义的含义.

Custom properties are solely for use by authors and users; CSS will never give them a meaning beyond what is presented here.

也

自定义属性是普通属性，因此可以在任何元素上声明它们，使用常规继承和级联规则进行解析，可以使用@media和其他条件规则进行条件设置，可以在HTML的style属性中使用，可以使用CSSOM等读取或设置.

Custom properties are ordinary properties, so they can be declared on any element, are resolved with the normal inheritance and cascade rules, can be made conditional with @media and other conditional rules, can be used in HTML’s style attribute, can be read or set using the CSSOM, etc.

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