CSSStyleDeclaration: parentRule property - Web APIs | MDN
Value
The CSS rule that contains this declaration block or null if this
CSSStyleDeclaration is not attached to a CSSRule.
Examples
The following JavaScript code gets the parent CSS style rule from a
CSSStyleDeclaration:
js
const declaration = document.styleSheets[0].rules[0].style;
const rule = declaration.parentRule;
Specifications
| Specification |
|---|
| CSS Object Model (CSSOM) # dom-cssstyledeclaration-parentrule |