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.
Navigator.buildID
Value
A string representing the build identifier of the application. The build ID is in the form YYYYMMDDHHMMSS.
Examples
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
|
No
|
64
Returns a fixed timestamp as a privacy measure -
20181001000000.
4
|
No
|
No
|
No
|
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Navigator/buildID
