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+---
+title: extension.ViewType
+slug: Mozilla/Add-ons/WebExtensions/API/extension/ViewType
+l10n:
+  sourceCommit: b8a0743ca8b1e1b1b1a95cc93a4413c020f11262
+---
+
+{{AddonSidebar}}
+
+扩展视图的类型。
+
+## 类型
+
+该类型的取值是字符串，且可能的取值包括 `"tab"`、`"popup"`、`"sidebar"`。
+
+## 浏览器兼容性
+
+{{Compat}}
+
+{{WebExtExamples}}
+
+> [!NOTE]
+> 此 API 基于 Chromium 的 [`chrome.extension`](https://developer.chrome.com/docs/extensions/reference/api/extension/#type-ViewType) API。该文档衍生自 Chromium 代码中的 [`extension.json`](https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/extension.json)。
+
+<!--
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