org.scalajs.dom
A CSSRuleList is an array-like object containing an ordered collection of CSSRule objects.
MDN
(Since version 0.5.0) Considered abuse in typed JavaScript, will be removed in 0.6. Use js.Dynamic or js.prim.Boolean instead.
A CSSRuleList is an array-like object containing an ordered collection of CSSRule objects.
MDN