CSSLayerBlockRule:name 属性
只读 name
属性是 CSSLayerBlockRule
接口的一部分,它表示关联的级联层的名称。
值
包含层名称的字符串,如果层是匿名的,则为 ""
。
示例
HTML
html
<output></output> <output></output>
CSS
css
output {
display: block;
}
@layer special {
div {
color: rebeccapurple;
}
}
@layer {
div {
color: black;
}
}
JavaScript
js
const item1 = document.getElementsByTagName("output")[0];
const item2 = document.getElementsByTagName("output")[1];
const rules = document.styleSheets[1].cssRules;
// Note that stylesheet #1 is the stylesheet associated with this embedded example,
// while stylesheet #0 is the stylesheet associated with the whole MDN page
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}".`;
结果
规范
规范 |
---|
CSS 级联和继承级别 5 # dom-csslayerblockrule-name |
浏览器兼容性
BCD 表格仅在浏览器中加载
另请参阅
@layer
的语句声明由CSSLayerStatementRule
表示。- 如何在 CSS 中 创建命名级联层。