Navigator.webdriver

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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The webdriver read-only property of the navigator interface indicates whether the user agent is controlled by automation.

It defines a standard way for co-operating user agents to inform the document that it is controlled by WebDriver, for example, so that alternate code paths can be triggered during automation.

The navigator.webdriver property is true when in:

Chrome: The --enable-automation or the --headless flag is used.
Firefox: The marionette.enabled preference or --marionette flag is passed.

Syntax

var isAutomated = navigator.webdriver

Value

A Boolean

Specifications

Specification	Status	Comment
WebDriver The definition of 'webdriver' in that specification.	Living Standard	Initial definition.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`webdriver` Experimental	Chrome Full support 63	Edge Full support 12	Firefox Full support Yes	IE ?	Opera Full support 50	Safari Full support Yes	WebView Android Full support 63	Chrome Android Full support 63	Firefox Android Full support Yes	Opera Android Full support 46	Safari iOS Full support Yes	Samsung Internet Android ?

Legend

Full support: Full support
Compatibility unknown: Compatibility unknown
Experimental. Expect behavior to change in the future.: Experimental. Expect behavior to change in the future.

Последнее изменение:

Aug 8, 2019, by MDN contributors