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zh-CN: create management.onUninstalled() (#24947)
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Co-authored-by: A1lo <[email protected]>
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PassionPenguin and yin1999 authored Dec 18, 2024
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---
title: management.onUninstalled()
slug: Mozilla/Add-ons/WebExtensions/API/management/onUninstalled
l10n:
sourceCommit: b8a0743ca8b1e1b1b1a95cc93a4413c020f11262
---

{{AddonSidebar}}

在附加组件被卸载时触发。

此 API 需要“management”[API 权限](/zh-CN/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions)

## 语法

```js-nolint
browser.management.onUninstalled.addListener(listener)
browser.management.onUninstalled.removeListener(listener)
browser.management.onUninstalled.hasListener(listener)
```

事件有三个函数:

- `addListener(listener)`
- : 为此事件添加监听器。
- `removeListener(listener)`
- : 停止监听此事件。`listener` 参数是要移除的监听器。
- `hasListener(listener)`
- : 检查是否已为此事件注册了 `listener`。如果正在监听,则返回 `true`,否则返回 `false`

## addListener 语法

### 参数

- `listener`

- : 在此事件发生时调用的函数。此函数接收以下参数:

- `info`
- : [`ExtensionInfo`](/zh-CN/docs/Mozilla/Add-ons/WebExtensions/API/management/ExtensionInfo),关于已卸载的附加组件的信息。

## 浏览器兼容性

{{Compat}}

## 示例

打印被卸载的附加组件的名称:

```js
browser.management.onUninstalled.addListener((info) => {
console.log(`${info.name} 被卸载`);
});
```

{{WebExtExamples}}

> [!NOTE]
> 该 API 基于 Chromium 的 [`chrome.management`](https://developer.chrome.google.cn/docs/extensions/reference/api/management#event-onUninstalled) API。本文衍生自 Chromium 代码中的 [`management.json`](https://chromium.googlesource.com/chromium/src/+/master/extensions/common/api/management.json)
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