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+---
+title: browserAction.enable()
+slug: Mozilla/Add-ons/WebExtensions/API/browserAction/enable
+l10n:
+  sourceCommit: 43e3ff826b7b755b05986c99ada75635c01c187c
+---
+
+{{AddonSidebar}}
+
+为选项卡启用浏览器操作。默认情况下，浏览器操作在所有选项卡中都是启用的。
+
+## 语法
+
+```js-nolint
+browser.browserAction.enable(
+  tabId // 可选整数
+)
+```
+
+### 参数
+
+- `tabId` {{optional_inline}}
+  - : `integer`。你想要启用浏览器操作的选项卡的 ID。
+
+## 浏览器兼容性
+
+{{Compat}}
+
+## 示例
+
+点击时禁用浏览器操作，并在每次打开新选项卡时重新启用它：
+
+```js
+browser.tabs.onCreated.addListener(() => {
+  browser.browserAction.enable();
+});
+
+browser.browserAction.onClicked.addListener(() => {
+  browser.browserAction.disable();
+});
+```
+
+{{WebExtExamples}}
+
+> **备注：** 此 API 基于 Chromium 的 [`chrome.browserAction`](https://developer.chrome.com/docs/extensions/reference/browserAction/#method-enable) API。该文档衍生自 Chromium 代码中的 [`browser_action.json`](https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/browser_action.json)。
+
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