CSSNestedDeclarations: style property

Baseline 2024

Newly available

Since ⁨December 2024⁩, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

The read-only style property of the CSSNestedDeclarations interface represents the styles associated with the nested rules.

Value

An object.

Examples

This stylesheet contains a nested cssRules.

The first console.log shows the top-level style, the second shows the nested @media query with its nested style and the final shows the nested style declared after the @media query.

css

.foo {
  font-size: 1.2rem;
  @media screen {
    color: tomato;
    background-color: darkgrey;
  }
  color: black;
}

let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].style);
// { "0": "font-size" }
console.log(myRules[0].cssRules[0].cssRules[0].style);
// { "0": "color", "1": "background-color" }
console.log(myRules[0].cssRules[1].style);
// { "0": "color" }