https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/replaceSync
CSSStyleSheet: replaceSync() method - Web APIs | MDN
The replaceSync() method of the CSSStyleSheet interface synchronously replaces the content of the stylesheet with the content passed into it.
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https://dillo-browser.github.io/doxygen/classCssStyleSheet.html
Dillo: CssStyleSheet Class Reference
dilloclassreference
https://developer.mozilla.org/de/docs/Web/API/CSSStyleSheet/removeRule
CSSStyleSheet: removeRule()-Methode - Web-APIs | MDN
Die veraltete Methode removeRule() des CSSStyleSheet entfernt eine Regel aus dem Stylesheet-Objekt. Sie ist funktional identisch mit der standardisierten,...
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https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/replaceSync?ref=blog.teknkl.com
CSSStyleSheet: replaceSync() method - Web APIs | MDN
The replaceSync() method of the CSSStyleSheet interface synchronously replaces the content of the stylesheet with the content passed into it.
web apismethodmdn