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Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The external property of the Window API returns an instance of the External interface, which was intended to contain functions related to adding external search providers to the browser. However, this is now deprecated, and the contained methods are now dummy functions (at least in some browsers) that do nothing as per spec.

Methods

The External object has the following methods:

Method Description
AddSearchProvider() Dummy function; does nothing.
IsSearchProviderInstalled() Dummy function; does nothing.

Specifications

Specification Status
HTML Living Standard
The definition of 'External' in that specification.
Living Standard

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
External
Deprecated
Chrome Full support YesEdge Full support YesFirefox Full support YesIE ? Opera Full support YesSafari ? WebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android ? Safari iOS ? Samsung Internet Android ?
AddSearchProvider
Deprecated
Chrome Full support 54Edge ? Firefox Full support YesIE ? Opera Full support 41Safari ? WebView Android Full support 54Chrome Android Full support 54Firefox Android Full support YesOpera Android ? Safari iOS ? Samsung Internet Android ?
IsSearchProviderInstalled
Deprecated
Chrome Full support 54Edge ? Firefox Full support YesIE ? Opera Full support 41Safari ? WebView Android Full support 54Chrome Android Full support 54Firefox Android Full support YesOpera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.

ドキュメントのタグと貢献者

このページの貢献者: mdnwebdocs-bot, chrisdavidmills
最終更新者: mdnwebdocs-bot,