Realm.extension() 方法

🌐 Realm.extension() method

返回创建此域的 Extension，如果适用的话。通常当域是由注入到页面的扩展内容脚本创建时，此字段会被填充。

🌐 Returns the Extension that created this realm, if applicable. This is typically populated when the realm was created by an extension content script injected into a page.

语法

🌐 Signature

class Realm {
  abstract extension(): Promise<Extension | null>;
}

返回:

Promise<Extension | null>

一个承诺，将解析为 Extension 或 null，如果不是由扩展创建的。

🌐 A promise that resolves to the Extension or null if not created by an extension.