Not available to workers.
Although the interface of this feature is available to workers, this feature isn't.

This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. 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 NavigatorID.taintEnabled() method always returns false.

Note: Tainting was a security method used by JavaScript 1.2. It has long been removed; this method only stays for maintaining compatibility with very old scripts.


result = window.navigator.taintEnabled()


// returns false


Specification Status Comment
HTML Living Standard
The definition of 'NavigatorID.taintEnabled' in that specification.
Living Standard Initial definition

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes Yes Yes Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes Yes Yes Yes ?

See also

Document Tags and Contributors

Contributors to this page: fscholz, teoli, Broetchen1234, chrisdavidmills
Last updated by: fscholz,