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mohamedkhallouq
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Path: blob/main/files/en-us/mozilla/add-ons/webextensions/api/extension/inincognitocontext/index.md
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---
title: extension.inIncognitoContext slug: Mozilla/Add-ons/WebExtensions/API/extension/inIncognitoContext page-type: webextension-api-property tags: - API - Add-ons - Extension - Extensions - Non-standard - Property - Reference - WebExtensions - inIncognitoContext browser-compat: webextensions.api.extension.inIncognitoContext
---

{{AddonSidebar()}}

Boolean value, true for content scripts running inside private browsing tabs and for extension pages running inside a private browsing process.

Syntax

let isPrivate = browser.extension.inIncognitoContext; // true or false

Value

A boolean value indicate if the current script is running in a private tab or process.

Browser compatibility

{{Compat}}

{{WebExtExamples}}

Note: This API is based on Chromium's chrome.extension API. This documentation is derived from extension.json in the Chromium code.