CSSLayerBlockRule: thuộc tính name

<output></output> <output></output>

output {
  display: block;
}

@layer special {
  div {
    color: rebeccapurple;
  }
}

@layer {
  div {
    color: black;
  }
}

const item1 = document.getElementsByTagName("output")[0];
const item2 = document.getElementsByTagName("output")[1];
const rules = document.getElementById("css-output").sheet.cssRules;

const layer = rules[1]; // A CSSLayerBlockRule
const anonymous = rules[2]; // An anonymous CSSLayerBlockRule

item1.textContent = `The first CSSLayerBlockRule defines the "${layer.name}" layer.`;
item2.textContent = `A second CSSLayerBlockRule defines a layer with the following name: "${anonymous.name}".`;