Navigator: buildID property
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
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.
Value
A string representing the build identifier of the application. The build ID is in the form YYYYMMDDHHMMSS
.
Examples
js
console.log(navigator.buildID);
Specifications
Not part of any public standard.
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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buildID |
Legend
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- Full support
- Full support
- No support
- No support
- Non-standard. Check cross-browser support before using.
- See implementation notes.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.