Location: ancestorOrigins
Baseline
2026
Newly available
Since February 2026, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
Location接口的 ancestorOrigins 只读属性是一个静态的DOMStringList，倒序排列了此Location对象所属文档先前所有浏览上下文的来源。
你可以在脚本中使用location.ancestorOrigins来检测你的网页是否被你不希望的对象嵌入了。你也可以使用它让网页在被特定站点嵌入时做出不同的表现。
语法
js
const ancestors = location.ancestorOrigins;
规范
| Specification |
|---|
| HTML # dom-location-ancestororigins-dev |