将计算的CSS样式映射到指定的样式？ [英] Mapping computed CSS styles to specified ones?

问题描述

有什么方法可以映射计算样式（由 window.getComputedStyle ）复制到 CSSStyleRule > document.styleSheets ？

Is there a way to map the computed style of a dom element (as retrieved by window.getComputedStyle) to a corresponding CSSStyleRule in document.styleSheets?

我的最终目标是检索 指定值 （而不是计算值或实际值）。

My ultimate goal is to retrieve specified values for dom elements (rather than computed values or actual values).

推荐答案

据我所知，只有IE（与element.currentStyle）允许JS检索指定的值，这是一个好东西在我看来。所有其他浏览器返回计算值。

As far as I know, only IE (with element.currentStyle) allows JS to retrieve the specified values, which is a good thing in my opinion. All the other browsers return the computed values.

我需要指定的值，唯一让我想到的是使一个CSS解析器映射一个元素基于元素的xpath的规则。这将是一种反转的jQuery，你将提供一个DOM元素，它会在解析所有加载的CSS后返回与它相关联的CSS规则。不幸的是，我没有时间开始项目。

I once needed the specified value and the only thing that crossed my mind was to make a CSS parser that would map an element to a rule based on the element's xpath. It would have been some kind of a reversed jQuery, where you would supply a DOM element and it would have returned the CSS rules associated with it after parsing all the loaded CSS. Unfortunately I didn't have the time to start the project.

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