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 | 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 |
|---|
buildID | Chrome
No support
No | Edge
?
| Firefox
Full support
64-
Full support
64
- Notes Returns a fixed timestamp as a privacy measure -
20181001000000. -
Full support
2
| IE
?
| Opera
?
| Safari
?
| WebView Android
No support
No | Chrome Android
No support
No | Firefox Android
Full support
64-
Full support
64
- Notes Returns a fixed timestamp as a privacy measure -
20181001000000. -
Full support
Yes
| Opera Android
?
| Safari iOS
?
| Samsung Internet Android
No support
No |
|---|
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