Navigator.buildID

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(navigator.buildID);

Specifications

Not part of any public standard.

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
buildID
No
No
64
Returns a fixed timestamp as a privacy measure - 20181001000000.
2
No
?
No
No
No
64
Returns a fixed timestamp as a privacy measure - 20181001000000.
Yes
?
No
No

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https://developer.mozilla.org/en-US/docs/Web/API/Navigator/buildID