CSSGroupingRule

The CSSGroupingRule interface of the CSS Object Model represents any CSS at-rule that contains other rules nested within it.

Properties

The cssRules property of the CSSGroupingRule interface returns a CSSRuleList containing a collection of CSSRule objects.

The cssText property of the CSSRule interface returns the actual text of a CSSStyleSheet style-rule.

The parentRule property of the CSSRule interface returns the containing rule of the current rule if this exists, or otherwise returns null.

The parentStyleSheet property of the CSSRule interface returns the StyleSheet object in which the current rule is defined.

The deleteRule() method of the CSSGroupingRule interface removes a CSS rule from a list of child CSS rules.

fun insertRule(rule: String, index: Int = definedExternally): Int

The insertRule() method of the CSSGroupingRule interface adds a new CSS rule to a list of CSS rules.