zh-CN: create sidebarAction.getPanel() (#24898)

Co-authored-by: A1lo <[email protected]>

files/zh-cn/mozilla/add-ons/webextensions/api/sidebaraction/getpanel/index.md

@@ -0,0 +1,96 @@
+---
+title: sidebarAction.getPanel()
+slug: Mozilla/Add-ons/WebExtensions/API/sidebarAction/getPanel
+l10n:
+  sourceCommit: b8a0743ca8b1e1b1b1a95cc93a4413c020f11262
+---
+
+{{AddonSidebar}}
+
+获取定义侧边栏内容的 HTML 文档的 URL。
+
+这是一个返回 [`Promise`](/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Promise) 的异步函数。
+
+## 语法
+
+```js-nolint
+let gettingPanel = browser.sidebarAction.getPanel(
+  details               // 对象
+)
+```
+
+### 参数
+
+- `details`
+
+  - : `object`。包含下列属性的对象：
+
+    - `tabId` {{optional_inline}}
+      - : `integer`。获取特定于给定标签页的侧边栏的面板。
+    - `windowId` {{optional_inline}}
+      - : `integer`。获取特定于给定窗口的侧边栏的面板。
+
+<!---->
+
+- 如果同时提供了 `windowId` 和 `tabId`，函数将失败且返回的 promise 将被拒绝。
+- 如果同时省略 `windowId` 和 `tabId`，则返回全局面板。
+
+### 返回值
+
+[`Promise`](/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Promise)，将用包含侧边栏面板的文档的 URL 来兑现。这将是一个完全限定 URL，例如：
+
+```url
+moz-extension://d1d8a2eb-fe60-f646-af30-a866c5b39942/sidebar.html
+```
+
+## 浏览器兼容性
+
+{{Compat}}
+
+## 示例
+
+获取面板的 URL：
+
+```js
+function onGot(sidebarUrl) {
+  console.log(sidebarUrl);
+}
+
+let gettingPanel = browser.sidebarAction.getPanel({});
+gettingPanel.then(onGot);
+```
+
+{{WebExtExamples}}
+
+> [!NOTE]
+> 此 API 基于 Opera 的 [`chrome.sidebarAction`](https://help.opera.com/en/extensions/sidebar-action-api/) API。
+
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