Navigator.buildID

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  1. Syntax
  2. Example
  3. Specification
  4. Browser compatibility
  5. See also

Returns the build identifier of the browser. In modern browsers this property now returns a fixed timestamp as a privacy measure, e.g. 20181001000000 in Firefox 64 onwards.

Syntax

buildID = navigator.buildID;

Value

A string representing the build identifier of the application. The build ID is in the form YYYYMMDDHHMMSS.

Example

console.log(window.navigator.buildID);

Specification

Not part of any public standard.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
buildID
Non-standard
Chrome No support NoEdge ? Firefox Full support 64
Notes
Full support 64
Notes
Notes Returns a fixed timestamp as a privacy measure - 20181001000000.
Full support 2
IE ? Opera ? Safari ? WebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 64
Notes
Full support 64
Notes
Notes Returns a fixed timestamp as a privacy measure - 20181001000000.
Full support Yes
Opera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
See implementation notes.
See implementation notes.

See also

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