Utilities related to your extension. Get URLs to resources packages with your extension. Get the
Window
object for your extension's pages. Get the values for various settings.
注意：
The messaging APIs in this module are deprecated
in favor of the equivalent APIs in the
runtime
模块。
extension.ViewType
The type of extension view.
extension.lastError
Set for the lifetime of a callback if an asynchronous extension API has resulted in an error. If no error has occurred,
lastError
将是
undefined
.
extension.inIncognitoContext
True
for content scripts running inside incognito tabs, and for extension pages running inside an incognito process. (The latter only applies to extensions with '
split
'
incognito_behavior
)。
extension.getBackgroundPage()
返回
Window
object for the background page running inside the current extension. Returns
null
if the extension has no background page.
extension.getExtensionTabs()
Returns an array of the JavaScript Window objects for each of the tabs running inside the current extension.
extension.getURL()
Converts a relative path within an extension install directory to a fully-qualified URL.
extension.getViews()
Returns an array of the
Window
objects for each of the pages running inside the current extension.
extension.isAllowedIncognitoAccess()
Retrieves the state of the extension's access to Incognito-mode (as determined by the user-controlled ' Allowed in Incognito ' checkbox).
extension.isAllowedFileSchemeAccess()
Retrieves the state of the extension's access to the
file://
scheme (as determined by the user-controlled '
Allow access to File URLs
' checkbox).
extension.sendRequest()
Sends a single request to other listeners within the extension.
extension.setUpdateUrlData()
Sets the value of the ap CGI parameter used in the extension's update URL. This value is ignored for extensions that are hosted in the browser vendor's store.
extension.onRequest
Fired when a request is sent from either an extension process or a content script.
extension.onRequestExternal
Fired when a request is sent from another extension.
BCD tables only load in the browser
注意：
This API is based on Chromium's
chrome.extension
API. This documentation is derived from
extension.json
in the Chromium code.
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
最后修改： , 由 MDN 贡献者