chrome.extension – Flickroom

The chrome.extension API has utilities that can be used by any extension page. It includes support for exchanging messages between an extension and its content scripts or between extensions, as described in contingent in Message Passing. description of the error that has taken place. hardening for the life of a recall if an ansychronous extension api has resulted in an mistake. If no erroneousness has occured lastError will be undefined. true for message scripts running inside incognito tabs, and for extension pages running inside an incognito process. The latter only applies to extensions with ‘split ‘ incognito_behavior.

getBackgroundPage

chrome.extension.getBackgroundPage()

Foreground only

Returns the JavaScript ‘window ‘ aim for the background page running inside the current extension. Returns nothing if the extension has no setting page .

Returns

• Window | undefined

getExtensionTabs

chrome.extension.getExtensionTabs(
  windowId?:

number

,
)

≤MV2

Foreground only

Deprecated

Please use extension.getViews {type: "tab"}. Returns an array of the JavaScript ‘window ‘ objects for each of the tab running inside the stream reference. If windowId is specified, returns entirely the ‘window ‘ objects of tabs attached to the specified window .

Parameters

• windowId count optional

Returns

• Window array of global window objects

getURL

chrome.extension.getURL(
  path:

string

,
)

≤MV2

Deprecated since Chrome 58

Please use runtime.getURL. Converts a relative path within an reference install directory to a fully-qualified URL .

Parameters

• path string A path to a resource within an extension expressed relative to its install directory .

Returns

• chain The fully-qualified URL to the resource .

getViews

chrome.extension.getViews(
  fetchProperties?:

object

,
)

Foreground only

Returns an array of the JavaScript ‘window ‘ objects for each of the pages running inside the current elongation .

Parameters

• fetchProperties object optional
  • tabId numeral optional

    Chrome 54+

    Find a scene according to a yellow journalism idaho. If this field is omitted, returns all views .

  • character ViewType optional The type of view to get. If omitted, returns all views ( including background pages and tab ). valid values : ‘tab ‘, ‘notification ‘, ‘popup ‘ .
  • windowId act optional The window to restrict the research to. If omitted, returns all views .

Returns

• Window array of global objects

isAllowedFileSchemeAccess

chrome.extension.isAllowedFileSchemeAccess(
  callback?:

function

,
)

Promise

Retrieves the state of the extension ‘s access to the ‘file : // ‘ scheme. This corresponds to the user-controlled per-extension ‘Allow access to File URLs ‘ set accessible via the chrome : //extensions page .

Parameters

• recall function optional The callback argument looks like : (isAllowedAccess: boolean) => void
  • isAllowedAccess boolean true if the elongation can access the ‘file : // ‘ scheme, false differently .

Returns

• Promise

  Pending

  This merely returns a Promise when the callback argument is not specified, and with MV3+. The type inside the Promise is the same as the 1st argument to callback .

isAllowedIncognitoAccess

chrome.extension.isAllowedIncognitoAccess(
  callback?:

function

,
)

Promise

Retrieves the department of state of the extension ‘s access to Incognito-mode. This corresponds to the user-controlled per-extension ‘Allowed in Incognito ‘ mise en scene accessible via the chrome : //extensions foliate .

Parameters

• recall function optional The callback parameter looks like : (isAllowedAccess: boolean) => void
  • isAllowedAccess boolean true if the extension has access to Incognito mode, false differently .

Returns

• Promise

  Pending

  This alone returns a Promise when the callback parameter is not specified, and with MV3+. The type inside the Promise is the same as the 1st argument to callback .

sendRequest

chrome.extension.sendRequest(
  extensionId?:

string

,
  request:

any

,
  callback?:

function

,
)

Promise

≤MV2

Deprecated

Please practice runtime.sendMessage. Sends a single request to other listeners within the extension. similar to runtime.connect, but only sends a single request with an optional response. The extension.onRequest event is fired in each page of the extension .

Parameters

• extensionId string optional The extension ID of the elongation you want to connect to. If omitted, default option is your own elongation .
• request any
• recall function optional

  Pending

  The callback parameter looks like : (response: any) => void

  • response any The JSON response object sent by the coach of the request. If an error occurs while connecting to the propagation, the recall will be called with no arguments and runtime.lastError will be set to the error message .

Returns

• Promise

  Pending

  This only returns a Promise when the callback parameter is not specified, and with MV3+. The character inside the Promise is the like as the 1st argumentation to callback .

chrome.extension.setUpdateUrlData(
  data:

string

,
)

Sets the value of the ap CGI parameter used in the annex ‘s update URL. This respect is ignored for extensions that are hosted in the Chrome Extension Gallery .

Parameters

• string

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Category : Web Browsers