zh-CN: create pageAction.setPopup()

files/zh-cn/mozilla/add-ons/webextensions/api/pageaction/setpopup/index.md

@@ -0,0 +1,96 @@
+---
+title: pageAction.setPopup()
+slug: Mozilla/Add-ons/WebExtensions/API/pageAction/setPopup
+l10n:
+  sourceCommit: b8a0743ca8b1e1b1b1a95cc93a4413c020f11262
+---
+
+{{AddonSidebar}}
+
+设置当用户点击页面操作图标时打开的弹窗的 HTML 文档。
+
+## 语法
+
+```js-nolint
+browser.pageAction.setPopup(
+  details // 对象
+)
+```
+
+### 参数
+
+- `details`
+
+  - : `object`.
+
+    - `tabId`
+      - : `integer`。要设置弹窗的标签页 ID。
+    - `popup`
+
+      - : `string` 或 `null`。指向要在弹窗中显示的 HTML 页面的 URL。
+
+        如果传入了一个空字符串 `""`，则弹窗将被禁用且扩展将收到 {{WebExtAPIRef("pageAction.onClicked")}} 事件。
+
+        如果传入了 `null`，则弹窗将重置为在 [`page_action`](/zh-CN/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action) 清单键中指定的弹窗。
+
+## 浏览器兼容性
+
+{{Compat}}
+
+## 示例
+
+监听 {{WebExtAPIRef("tabs.onUpdated")}} 事件，根据加载状态切换弹窗：
+
+```js
+browser.tabs.onUpdated.addListener((tabId, changeInfo, tabInfo) => {
+  if (changeInfo.status) {
+    browser.pageAction.show(tabId);
+    if (changeInfo.status === "loading") {
+      browser.pageAction.setPopup({
+        tabId,
+        popup: "/popup/loading.html",
+      });
+    } else {
+      browser.pageAction.setPopup({
+        tabId,
+        popup: "/popup/complete.html",
+      });
+    }
+  }
+});
+```
+
+{{WebExtExamples}}
+
+> [!NOTE]
+> 该 API 基于 Chromium 的 [`chrome.pageAction`](https://developer.chrome.google.cn/docs/extensions/mv2/reference/pageAction#method-setPopup) API。本文衍生自 Chromium 代码中的 [`page_action.json`](https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/page_action.json)。
+
+<!--
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