CSSCounterStyleRule：negative 属性
Baseline
2023
Newly available
Since September 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
CSSCounterStyleRule 接口的 negative 属性用于获取或设置 negative 描述符的值。如果描述符没有设置值，此属性返回空字符串。
值
字符串。
示例
以下示例展示了 @counter-style 样式的规则。在 JavaScript 中，myRules[0] 为 @counter-style 规则，negative 返回值为“-”。
css
@counter-style neg {
system: numeric;
symbols: "0" "1" "2" "3" "4" "5" "6" "7" "8" "9";
negative: "-";
}
js
let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].negative); // "-"
规范
| Specification |
|---|
| CSS Counter Styles Level 3 # dom-csscounterstylerule-negative |
浏览器兼容性
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