repo_id stringlengths 22 103 | file_path stringlengths 41 147 | content stringlengths 181 193k | __index_level_0__ int64 0 0 |
|---|---|---|---|
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/privacy | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/privacy/websites/index.md | ---
title: privacy.websites
slug: Mozilla/Add-ons/WebExtensions/API/privacy/websites
page-type: webextension-api-property
browser-compat: webextensions.api.privacy.websites
---
{{AddonSidebar}}
The {{WebExtAPIRef("privacy.websites")}} property contains privacy-related settings controlling the way to browser interacts... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/index.md | ---
title: i18n
slug: Mozilla/Add-ons/WebExtensions/API/i18n
page-type: webextension-api
browser-compat: webextensions.api.i18n
---
{{AddonSidebar}}
Functions to internationalize your extension. You can use these APIs to get localized strings from locale files packaged with your extension, find out the browser's curr... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/detectlanguage/index.md | ---
title: i18n.detectLanguage()
slug: Mozilla/Add-ons/WebExtensions/API/i18n/detectLanguage
page-type: webextension-api-function
browser-compat: webextensions.api.i18n.detectLanguage
---
{{AddonSidebar}}
Detects the language of the provided text using the [Compact Language Detector](https://github.com/CLD2Owners/cld... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/locale-specific_message_reference/index.md | ---
title: Locale-specific message reference
slug: Mozilla/Add-ons/WebExtensions/API/i18n/Locale-Specific_Message_reference
page-type: guide
---
{{AddonSidebar}}
Each internationalized extension has at least one file named `messages.json` that provides locale-specific strings. This page describes the format of `messa... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/getuilanguage/index.md | ---
title: i18n.getUILanguage()
slug: Mozilla/Add-ons/WebExtensions/API/i18n/getUILanguage
page-type: webextension-api-function
browser-compat: webextensions.api.i18n.getUILanguage
---
{{AddonSidebar}}
Gets the UI language of the browser. This is different from {{WebExtAPIRef('i18n.getAcceptLanguages')}} which return... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/getmessage/index.md | ---
title: i18n.getMessage()
slug: Mozilla/Add-ons/WebExtensions/API/i18n/getMessage
page-type: webextension-api-function
browser-compat: webextensions.api.i18n.getMessage
---
{{AddonSidebar}}
Gets the localized string for the specified message.
See the [Internationalization](/en-US/docs/Mozilla/Add-ons/WebExtension... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/languagecode/index.md | ---
title: i18n.LanguageCode
slug: Mozilla/Add-ons/WebExtensions/API/i18n/LanguageCode
page-type: webextension-api-type
browser-compat: webextensions.api.i18n.LanguageCode
---
{{AddonSidebar}}
A [language tag](https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.10) such as `"en-US"` or "`fr`".
## Type
Value... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/i18n/getacceptlanguages/index.md | ---
title: i18n.getAcceptLanguages()
slug: Mozilla/Add-ons/WebExtensions/API/i18n/getAcceptLanguages
page-type: webextension-api-function
browser-compat: webextensions.api.i18n.getAcceptLanguages
---
{{AddonSidebar}}
Gets the [accept-languages](/en-US/docs/Web/HTTP/Content_negotiation#the_accept-language_header) of t... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/index.md | ---
title: webRequest
slug: Mozilla/Add-ons/WebExtensions/API/webRequest
page-type: webextension-api
browser-compat: webextensions.api.webRequest
---
{{AddonSidebar}}
Add event listeners for the various stages of making an HTTP request, which includes websocket requests on `ws://` and `wss://`. The event listener rec... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onresponsestarted/index.md | ---
title: webRequest.onResponseStarted
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onResponseStarted
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onResponseStarted
---
{{AddonSidebar}}
Fired when the first byte of the response body is received.
This event is informational on... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/uploaddata/index.md | ---
title: webRequest.UploadData
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/UploadData
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.UploadData
---
{{AddonSidebar}}
Contains data uploaded in a URL request.
## Type
Values of this type are objects. They contain the following pr... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onbeforeredirect/index.md | ---
title: webRequest.onBeforeRedirect
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeRedirect
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onBeforeRedirect
---
{{AddonSidebar}}
Fired when a server-initiated redirect is about to occur.
Note that you can't pass `"blocking... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/securityinfo/index.md | ---
title: webRequest.SecurityInfo
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/SecurityInfo
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.SecurityInfo
---
{{AddonSidebar}}
An object describing the security properties of a particular web request. An object of this type is returne... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/resourcetype/index.md | ---
title: webRequest.ResourceType
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/ResourceType
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.ResourceType
---
{{AddonSidebar}}
This type is a string, which represents the context in which a resource was fetched in a web request.
It's... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/blockingresponse/index.md | ---
title: webRequest.BlockingResponse
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/BlockingResponse
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.BlockingResponse
---
{{AddonSidebar}}
An object of this type is returned by event listeners that have set `"blocking"` in their `extr... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/httpheaders/index.md | ---
title: webRequest.HttpHeaders
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/HttpHeaders
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.HttpHeaders
---
{{AddonSidebar}}
An array of HTTP headers. Each header is represented as an object with two properties: `name` and either `valu... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/handlerbehaviorchanged/index.md | ---
title: webRequest.handlerBehaviorChanged()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/handlerBehaviorChanged
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.handlerBehaviorChanged
---
{{AddonSidebar}}
This function can be used to ensure that event listeners are applied co... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onbeforesendheaders/index.md | ---
title: webRequest.onBeforeSendHeaders
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeSendHeaders
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onBeforeSendHeaders
---
{{AddonSidebar}}
This event is triggered before sending any HTTP data, but after all HTTP headers are ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/filterresponsedata/index.md | ---
title: webRequest.filterResponseData()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/filterResponseData
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.filterResponseData
---
{{AddonSidebar}}
Use this function to create a {{WebExtAPIRef("webRequest.StreamFilter")}} object fo... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/requestfilter/index.md | ---
title: webRequest.RequestFilter
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/RequestFilter
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.RequestFilter
---
{{AddonSidebar}}
An object describing filters to apply to webRequest events.
## Type
Values of this type are objects. T... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/certificateinfo/index.md | ---
title: webRequest.CertificateInfo
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/CertificateInfo
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.CertificateInfo
---
{{AddonSidebar}}
An object describing a single [X.509 certificate](https://datatracker.ietf.org/doc/html/rfc5280).
... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/index.md | ---
title: webRequest.StreamFilter
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter
page-type: webextension-api-type
browser-compat: webextensions.api.webRequest.StreamFilter
---
{{AddonSidebar}}
A `StreamFilter` is an object you use to monitor and modify HTTP responses.
To create a `StreamFilter`, ca... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/onstop/index.md | ---
title: webRequest.StreamFilter.onstop
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/onstop
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.StreamFilter.onstop
---
{{AddonSidebar}}
An event handler that will be called when the stream has no more data to deliver. In ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/resume/index.md | ---
title: webRequest.StreamFilter.resume()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/resume
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.StreamFilter.resume
---
{{AddonSidebar}}
Resumes a request that was previously suspended through a call to {{WebExtAPIRef... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/status/index.md | ---
title: webRequest.StreamFilter.status
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/status
page-type: webextension-api-property
browser-compat: webextensions.api.webRequest.StreamFilter.status
---
{{AddonSidebar}}
A string that describes the current status of the request. It will be one of the f... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/error/index.md | ---
title: webRequest.StreamFilter.error
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/error
page-type: webextension-api-property
browser-compat: webextensions.api.webRequest.StreamFilter.error
---
{{AddonSidebar}}
A string that will contain an error message after the {{WebExtAPIRef("webRequest.Stre... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/write/index.md | ---
title: webRequest.StreamFilter.write()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/write
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.StreamFilter.write
---
{{AddonSidebar}}
Writes some response data to the output stream.
You can only call this function af... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/ondata/index.md | ---
title: webRequest.StreamFilter.ondata
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/ondata
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.StreamFilter.ondata
---
{{AddonSidebar}}
An event handler called repeatedly when response data is available. The handler is pa... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/suspend/index.md | ---
title: webRequest.StreamFilter.suspend()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/suspend
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.StreamFilter.suspend
---
{{AddonSidebar}}
Suspends a request. After this is called, no more data will be delivered unti... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/disconnect/index.md | ---
title: webRequest.StreamFilter.disconnect()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/disconnect
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.StreamFilter.disconnect
---
{{AddonSidebar}}
Disconnects the filter from the request. After this, the browser wil... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/close/index.md | ---
title: webRequest.StreamFilter.close()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/close
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.StreamFilter.close
---
{{AddonSidebar}}
Closes the request. After this is called, no further response data will be passed t... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/onstart/index.md | ---
title: webRequest.StreamFilter.onstart
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/onstart
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.StreamFilter.onstart
---
{{AddonSidebar}}
An event handler that will be called when the stream is opened and is about to beg... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/streamfilter/onerror/index.md | ---
title: webRequest.StreamFilter.onerror
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/StreamFilter/onerror
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.StreamFilter.onerror
---
{{AddonSidebar}}
An event handler that will be called when an error occurs. This is most often beca... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/oncompleted/index.md | ---
title: webRequest.onCompleted
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onCompleted
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onCompleted
---
{{AddonSidebar}}
Fired when a request has completed.
This event is informational only.
## Syntax
```js-nolint
browser.webRe... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onheadersreceived/index.md | ---
title: webRequest.onHeadersReceived
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onHeadersReceived
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onHeadersReceived
---
{{AddonSidebar}}
Fired when the HTTP response headers for a request are received. Use this event to modify H... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onbeforerequest/index.md | ---
title: webRequest.onBeforeRequest
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeRequest
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onBeforeRequest
---
{{AddonSidebar}}
This event is triggered when a request is about to be made, and before headers are available. Thi... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/max_handler_behavior_changed_calls_per_10_minutes/index.md | ---
title: webRequest.MAX_HANDLER_BEHAVIOR_CHANGED_CALLS_PER_10_MINUTES
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/MAX_HANDLER_BEHAVIOR_CHANGED_CALLS_PER_10_MINUTES
page-type: webextension-api-property
browser-compat: webextensions.api.webRequest.MAX_HANDLER_BEHAVIOR_CHANGED_CALLS_PER_10_MINUTES
---
{{AddonSid... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/getsecurityinfo/index.md | ---
title: webRequest.getSecurityInfo()
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/getSecurityInfo
page-type: webextension-api-function
browser-compat: webextensions.api.webRequest.getSecurityInfo
---
{{AddonSidebar}}
Use this function to get detailed information about the [TLS](/en-US/docs/Glossary/TLS) conn... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onerroroccurred/index.md | ---
title: webRequest.onErrorOccurred
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onErrorOccurred
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onErrorOccurred
---
{{AddonSidebar}}
Fired when a request could not be processed due to an error: for example, a lack of Internet conn... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onsendheaders/index.md | ---
title: webRequest.onSendHeaders
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onSendHeaders
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onSendHeaders
---
{{AddonSidebar}}
This event is fired just before sending headers. If your extension or some other extension modified hea... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/webrequest/onauthrequired/index.md | ---
title: webRequest.onAuthRequired
slug: Mozilla/Add-ons/WebExtensions/API/webRequest/onAuthRequired
page-type: webextension-api-event
browser-compat: webextensions.api.webRequest.onAuthRequired
---
{{AddonSidebar}}
Fired when the server sends a `401` or `407` status code and a `WWW-Authenticate` header using the `... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/index.md | ---
title: extension
slug: Mozilla/Add-ons/WebExtensions/API/extension
page-type: webextension-api
browser-compat: webextensions.api.extension
---
{{AddonSidebar}}
Utilities related to your extension. Get URLs to resources packages with your extension. Get the [`Window`](/en-US/docs/Web/API/Window) object for your ex... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/getbackgroundpage/index.md | ---
title: extension.getBackgroundPage()
slug: Mozilla/Add-ons/WebExtensions/API/extension/getBackgroundPage
page-type: webextension-api-function
browser-compat: webextensions.api.extension.getBackgroundPage
---
{{AddonSidebar}}
Returns the [Window](/en-US/docs/Web/API/Window) of the background page if the background... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/inincognitocontext/index.md | ---
title: extension.inIncognitoContext
slug: Mozilla/Add-ons/WebExtensions/API/extension/inIncognitoContext
page-type: webextension-api-property
browser-compat: webextensions.api.extension.inIncognitoContext
---
{{AddonSidebar}}
Boolean value, `true` for content scripts running inside private browsing tabs and for e... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/sendrequest/index.md | ---
title: extension.sendRequest()
slug: Mozilla/Add-ons/WebExtensions/API/extension/sendRequest
page-type: webextension-api-function
status:
- deprecated
browser-compat: webextensions.api.extension.sendRequest
---
{{AddonSidebar}}{{Deprecated_Header}}
> **Warning:** This method has been deprecated. Use {{WebExtAPI... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/getextensiontabs/index.md | ---
title: extension.getExtensionTabs()
slug: Mozilla/Add-ons/WebExtensions/API/extension/getExtensionTabs
page-type: webextension-api-function
browser-compat: webextensions.api.extension.getExtensionTabs
---
{{AddonSidebar}}
> **Warning:** This method has been deprecated. Use {{WebExtAPIRef("extension.getViews()")}}... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/getviews/index.md | ---
title: extension.getViews()
slug: Mozilla/Add-ons/WebExtensions/API/extension/getViews
page-type: webextension-api-function
browser-compat: webextensions.api.extension.getViews
---
{{AddonSidebar}}
Returns an array of the [Window](/en-US/docs/Web/API/Window) objects for each of the pages running inside the curren... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/onrequestexternal/index.md | ---
title: extension.onRequestExternal
slug: Mozilla/Add-ons/WebExtensions/API/extension/onRequestExternal
page-type: webextension-api-event
browser-compat: webextensions.api.extension.onRequestExternal
---
{{AddonSidebar}}
> **Warning:** This is not implemented in Firefox because it has been deprecated since Chrome ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/viewtype/index.md | ---
title: extension.ViewType
slug: Mozilla/Add-ons/WebExtensions/API/extension/ViewType
page-type: webextension-api-type
browser-compat: webextensions.api.extension.ViewType
---
{{AddonSidebar}}
The type of extension view.
## Type
Values of this type are strings. Possible values are: `"tab"`, `"popup"`, `"sidebar"... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/onrequest/index.md | ---
title: extension.onRequest
slug: Mozilla/Add-ons/WebExtensions/API/extension/onRequest
page-type: webextension-api-event
browser-compat: webextensions.api.extension.onRequest
---
{{AddonSidebar}}
> **Warning:** This is not implemented in Firefox because it has been deprecated since Chrome 33. Please use [runtime.... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/isallowedincognitoaccess/index.md | ---
title: extension.isAllowedIncognitoAccess()
slug: Mozilla/Add-ons/WebExtensions/API/extension/isAllowedIncognitoAccess
page-type: webextension-api-function
browser-compat: webextensions.api.extension.isAllowedIncognitoAccess
---
{{AddonSidebar}}
Check whether the extension is allowed access to tabs opened in "pri... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/isallowedfileschemeaccess/index.md | ---
title: extension.isAllowedFileSchemeAccess()
slug: Mozilla/Add-ons/WebExtensions/API/extension/isAllowedFileSchemeAccess
page-type: webextension-api-function
browser-compat: webextensions.api.extension.isAllowedFileSchemeAccess
---
{{AddonSidebar}}
Returns `true` if the extension can access the "file://" scheme, ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/setupdateurldata/index.md | ---
title: extension.setUpdateUrlData()
slug: Mozilla/Add-ons/WebExtensions/API/extension/setUpdateUrlData
page-type: webextension-api-function
browser-compat: webextensions.api.extension.setUpdateUrlData
---
{{AddonSidebar}}
Sets parameters for the extension's update URL. This value is ignored for extensions that ar... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/lasterror/index.md | ---
title: extension.lastError
slug: Mozilla/Add-ons/WebExtensions/API/extension/lastError
page-type: webextension-api-property
browser-compat: webextensions.api.extension.lastError
---
{{AddonSidebar}}
> **Warning:** This function is deprecated, use {{WebExtAPIRef("runtime.lastError")}} instead.
An alias for {{WebE... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/extension/geturl/index.md | ---
title: extension.getURL()
slug: Mozilla/Add-ons/WebExtensions/API/extension/getURL
page-type: webextension-api-function
status:
- deprecated
browser-compat: webextensions.api.extension.getURL
---
{{AddonSidebar}}
> **Warning:** This function is deprecated. Please use [`runtime.getURL`](/en-US/docs/Mozilla/Add-o... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find/index.md | ---
title: find
slug: Mozilla/Add-ons/WebExtensions/API/find
page-type: webextension-api
browser-compat: webextensions.api.find
---
{{AddonSidebar}}
Finds text in a web page, and highlights matches.
To use this API you need to have the "find" [permission](/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permi... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find/removehighlighting/index.md | ---
title: find.removeHighlighting()
slug: Mozilla/Add-ons/WebExtensions/API/find/removeHighlighting
page-type: webextension-api-function
browser-compat: webextensions.api.find.removeHighlighting
---
{{AddonSidebar}}
Remove any highlighting of a previous search that was applied by a previous call to {{WebExtAPIRef("f... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find/find/index.md | ---
title: find.find()
slug: Mozilla/Add-ons/WebExtensions/API/find/find
page-type: webextension-api-function
browser-compat: webextensions.api.find.find
---
{{AddonSidebar}}
Searches for text in a tab.
You can use this function to search normal HTTP(S) web pages. It searches a single tab: you can specify the ID of ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/find/highlightresults/index.md | ---
title: find.highlightResults()
slug: Mozilla/Add-ons/WebExtensions/API/find/highlightResults
page-type: webextension-api-function
browser-compat: webextensions.api.find.highlightResults
---
{{AddonSidebar}}
Highlights the results of a previous call to {{WebExtAPIRef("find.find()")}}.
When an extension calls `fin... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search/index.md | ---
title: search
slug: Mozilla/Add-ons/WebExtensions/API/search
page-type: webextension-api
browser-compat: webextensions.api.search
---
{{AddonSidebar}}
Use the search API to retrieve the installed search engines and execute searches.
To use this API you need to have the `"search"` [permission](/en-US/docs/Mozilla... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search/get/index.md | ---
title: search.get()
slug: Mozilla/Add-ons/WebExtensions/API/search/get
page-type: webextension-api-function
browser-compat: webextensions.api.search.get
---
{{AddonSidebar}}
Gets an array of all installed search engines.
Each search engine returned is identified with a name, which you can pass into {{WebExtAPIRe... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search/search/index.md | ---
title: search.search()
slug: Mozilla/Add-ons/WebExtensions/API/search/search
page-type: webextension-api-function
browser-compat: webextensions.api.search.search
---
{{AddonSidebar}}
Perform a search using the search engine specified or the default search engine if no search engine is specified.
The results are ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/search/query/index.md | ---
title: search.query()
slug: Mozilla/Add-ons/WebExtensions/API/search/query
page-type: webextension-api-function
browser-compat: webextensions.api.search.query
---
{{AddonSidebar}}
Perform a search using the browser's default search engine.
The results are displayed in the current tab, a new tab, or a new window ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events/index.md | ---
title: events
slug: Mozilla/Add-ons/WebExtensions/API/events
page-type: webextension-api
browser-compat: webextensions.api.events
---
{{AddonSidebar}}
Common types used by APIs that dispatch events.
## Types
- {{WebExtAPIRef("events.Rule")}}
- : Description of a declarative rule for handling events.
- {{WebEx... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events/rule/index.md | ---
title: events.Rule
slug: Mozilla/Add-ons/WebExtensions/API/events/Rule
page-type: webextension-api-type
browser-compat: webextensions.api.events.Rule
---
{{AddonSidebar}}
Description of a declarative rule for handling events.
## Type
Values of this type are objects. They contain the following properties:
- `id... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events/urlfilter/index.md | ---
title: events.UrlFilter
slug: Mozilla/Add-ons/WebExtensions/API/events/UrlFilter
page-type: webextension-api-type
browser-compat: webextensions.api.events.UrlFilter
---
{{AddonSidebar}}
Describes various criteria for filtering URLs. If all of the criteria specified in the filter's properties match the URL, then t... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/events/event/index.md | ---
title: events.Event
slug: Mozilla/Add-ons/WebExtensions/API/events/Event
page-type: webextension-api-type
browser-compat: webextensions.api.events.Event
---
{{AddonSidebar}}
An object which allows the addition and removal of listeners for a browser event.
## Type
Values of this type are objects.
## Methods
- ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/index.md | ---
title: userScripts
slug: Mozilla/Add-ons/WebExtensions/API/userScripts
page-type: webextension-api
browser-compat: webextensions.api.userScripts
---
{{AddonSidebar}}
Use this API to register user scripts, third-party scripts designed to manipulate webpages or provide new features. Registering a user script instru... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/register/index.md | ---
title: userScripts.register()
slug: Mozilla/Add-ons/WebExtensions/API/userScripts/register
page-type: webextension-api-function
browser-compat: webextensions.api.userScripts.register
---
{{AddonSidebar}}
This method enables user scripts to be registered from an extension's pages (such as the background page).
Th... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/onbeforescript/index.md | ---
title: userScripts.onBeforeScript
slug: Mozilla/Add-ons/WebExtensions/API/userScripts/onBeforeScript
page-type: webextension-api-event
browser-compat: webextensions.api.userScripts.onBeforeScript
---
{{AddonSidebar}}
The `onBeforeScript` event of the {{WebExtAPIRef("userScripts","browser.userScripts")}} is fired ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/working_with_userscripts/index.md | ---
title: Working with userScripts
slug: Mozilla/Add-ons/WebExtensions/API/userScripts/Working_with_userScripts
page-type: guide
---
{{AddonSidebar}}
By implementing userScripts, extension developers can modify how sites look and/or work to better meet user needs.
Implement userScripts in your extension using the f... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/registereduserscript/index.md | ---
title: userScripts.RegisteredUserScript
slug: Mozilla/Add-ons/WebExtensions/API/userScripts/RegisteredUserScript
page-type: webextension-api-type
browser-compat: webextensions.api.userScripts.RegisteredUserScript
---
{{AddonSidebar}}
A `RegisteredUserScript` object is returned by a call to {{WebExtAPIRef("userScr... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/registereduserscript | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/registereduserscript/unregister/index.md | ---
title: RegisteredUserScript.unregister()
slug: Mozilla/Add-ons/WebExtensions/API/userScripts/RegisteredUserScript/unregister
page-type: webextension-api-function
browser-compat: webextensions.api.userScripts.RegisteredUserScript.unregister
---
{{AddonSidebar}}
The `unregister()` method of the {{WebExtAPIRef("user... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/userscripts/userscriptoptions/index.md | ---
title: UserScripts.UserScriptOptions
slug: Mozilla/Add-ons/WebExtensions/API/userScripts/UserScriptOptions
page-type: webextension-api-type
---
{{AddonSidebar}}
The UserScriptOptions object represents the content scripts to register. It has similar syntax to the contentScript options supported by browser.contentS... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/index.md | ---
title: contextualIdentities
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities
page-type: webextension-api
browser-compat: webextensions.api.contextualIdentities
---
{{AddonSidebar}}
Work with contextual identities: list, create, remove, and update contextual identities.
"Contextual identities", also k... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/remove/index.md | ---
title: contextualIdentities.remove()
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/remove
page-type: webextension-api-function
browser-compat: webextensions.api.contextualIdentities.remove
---
{{AddonSidebar}}
Removes a contextual identity, given its cookie store ID.
This is an asynchronous functi... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/get/index.md | ---
title: contextualIdentities.get()
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/get
page-type: webextension-api-function
browser-compat: webextensions.api.contextualIdentities.get
---
{{AddonSidebar}}
Gets information about a contextual identity, given its cookie store ID.
This is an asynchronous ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/create/index.md | ---
title: contextualIdentities.create()
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/create
page-type: webextension-api-function
browser-compat: webextensions.api.contextualIdentities.create
---
{{AddonSidebar}}
Creates a new contextual identity. Once created, the user will be able to create new tabs... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/oncreated/index.md | ---
title: contextualIdentities.onCreated
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/onCreated
page-type: webextension-api-event
browser-compat: webextensions.api.contextualIdentities.onCreated
---
{{AddonSidebar}}
Fired when a new contextual identity is created. Contextual identities may be created... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/update/index.md | ---
title: contextualIdentities.update()
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/update
page-type: webextension-api-function
browser-compat: webextensions.api.contextualIdentities.update
---
{{AddonSidebar}}
Updates properties of a contextual identity, given its cookie store ID.
This is an async... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/contextualidentity/index.md | ---
title: contextualIdentities.ContextualIdentity
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/ContextualIdentity
page-type: webextension-api-type
browser-compat: webextensions.api.contextualIdentities.ContextualIdentity
---
{{AddonSidebar}}
The **`contextualIdentities.ContextualIdentity`** type desc... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/onupdated/index.md | ---
title: contextualIdentities.onUpdated
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/onUpdated
page-type: webextension-api-event
browser-compat: webextensions.api.contextualIdentities.onUpdated
---
{{AddonSidebar}}
Fired when the properties of a contextual identity, such as its name, icon, or color,... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/onremoved/index.md | ---
title: contextualIdentities.onRemoved
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/onRemoved
page-type: webextension-api-event
browser-compat: webextensions.api.contextualIdentities.onRemoved
---
{{AddonSidebar}}
Fired when a new contextual identity is removed. Contextual identities may be removed... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/query/index.md | ---
title: contextualIdentities.query()
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/query
page-type: webextension-api-function
browser-compat: webextensions.api.contextualIdentities.query
---
{{AddonSidebar}}
Gets information about all contextual identities, or about those contextual identities that ... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/contextualidentities/move/index.md | ---
title: contextualIdentities.move()
slug: Mozilla/Add-ons/WebExtensions/API/contextualIdentities/move
page-type: webextension-api-function
browser-compat: webextensions.api.contextualIdentities.move
---
{{AddonSidebar}}
Moves one or more contextual identities to a new position within the list of contextual identit... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/index.md | ---
title: tabs
slug: Mozilla/Add-ons/WebExtensions/API/tabs
page-type: webextension-api
browser-compat: webextensions.api.tabs
---
{{AddonSidebar}}
Interact with the browser's tab system.
> **Note:** When using Manifest V3 or higher, the methods to execute scripts, insert CSS, and remove CSS are provided by the {{W... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/discard/index.md | ---
title: tabs.discard()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/discard
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.discard
---
{{AddonSidebar}}
Discards one or more tabs.
Some browsers automatically "discard" unused tabs to free memory. Discarded tabs stay visible in the tabst... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/windowtype/index.md | ---
title: tabs.WindowType
slug: Mozilla/Add-ons/WebExtensions/API/tabs/WindowType
page-type: webextension-api-type
browser-compat: webextensions.api.tabs.WindowType
---
{{AddonSidebar}}
The type of window that hosts this tab.
## Type
Values of this type are strings. Possible values are:
- **"normal"**
- **"popup"... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/connect/index.md | ---
title: tabs.connect()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/connect
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.connect
---
{{AddonSidebar}}
Call this function to set up a connection between the extension's background scripts (or other privileged scripts, such as popup scrip... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/moveinsuccession/index.md | ---
title: tabs.moveInSuccession()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/moveInSuccession
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.moveInSuccession
---
{{AddonSidebar}}
Modifies the succession relationship for a group of tabs.
Using the {{WebExtAPIRef('tabs')}} API, a tab ca... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/onattached/index.md | ---
title: tabs.onAttached
slug: Mozilla/Add-ons/WebExtensions/API/tabs/onAttached
page-type: webextension-api-event
browser-compat: webextensions.api.tabs.onAttached
---
{{AddonSidebar}}
Fired when a tab is attached to a window, for example because it was moved between windows.
## Syntax
```js-nolint
browser.tabs.... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/detectlanguage/index.md | ---
title: tabs.detectLanguage()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/detectLanguage
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.detectLanguage
---
{{AddonSidebar}}
Detects the primary language of the content in a tab, using the [Compact Language Detector](https://github.com/CL... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/remove/index.md | ---
title: tabs.remove()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/remove
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.remove
---
{{AddonSidebar}}
Closes one or more tabs.
This is an asynchronous function that returns a [`Promise`](/en-US/docs/Web/JavaScript/Reference/Global_Objects... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/onselectionchanged/index.md | ---
title: tabs.onSelectionChanged
slug: Mozilla/Add-ons/WebExtensions/API/tabs/onSelectionChanged
page-type: webextension-api-event
status:
- deprecated
browser-compat: webextensions.api.tabs.onSelectionChanged
---
{{AddonSidebar}}
> **Warning:** This event is deprecated. Use {{WebExtAPIRef("tabs.onActivated")}} i... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/get/index.md | ---
title: tabs.get()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/get
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.get
---
{{AddonSidebar}}
Given a tab ID, get the tab's details as a {{WebExtAPIRef("tabs.Tab")}} object.
This is an asynchronous function that returns a [`Promise`](/en-U... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/create/index.md | ---
title: tabs.create()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/create
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.create
---
{{AddonSidebar}}
Creates a new tab.
This is an asynchronous function that returns a [`Promise`](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promi... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/tabstatus/index.md | ---
title: tabs.TabStatus
slug: Mozilla/Add-ons/WebExtensions/API/tabs/TabStatus
page-type: webextension-api-type
browser-compat: webextensions.api.tabs.TabStatus
---
{{AddonSidebar}}
Indicates whether the tab has finished loading.
## Type
Values of this type are strings. Possible values are: `"loading"` and `"comp... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/onactivechanged/index.md | ---
title: tabs.onActiveChanged
slug: Mozilla/Add-ons/WebExtensions/API/tabs/onActiveChanged
page-type: webextension-api-event
status:
- deprecated
browser-compat: webextensions.api.tabs.onActiveChanged
---
{{AddonSidebar}}
> **Warning:** This event is deprecated. Use {{WebExtAPIRef("tabs.onActivated")}} instead.
... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/sendrequest/index.md | ---
title: tabs.sendRequest()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/sendRequest
page-type: webextension-api-function
status:
- deprecated
browser-compat: webextensions.api.tabs.sendRequest
---
{{AddonSidebar}}
> **Warning:** This method has been deprecated. Use {{WebExtAPIRef("tabs.sendMessage()")}} instead.... | 0 |
data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs | data/mdn-content/files/en-us/mozilla/add-ons/webextensions/api/tabs/capturevisibletab/index.md | ---
title: tabs.captureVisibleTab()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/captureVisibleTab
page-type: webextension-api-function
browser-compat: webextensions.api.tabs.captureVisibleTab
---
{{AddonSidebar}}
Creates a data URL encoding the image of an area of the currently active tab in the specified window. Yo... | 0 |
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