Navigator.productSub

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.

The Navigator.productSub read-only property returns the build number of the current browser.

Syntax

prodSub = window.navigator.productSub
  • prodSub is a string.

Example

<script> 
function prodsub() {
  var dt = document.getElementById("d").childNodes[0];
  dt.data = window.navigator.productSub;
} 
</script>

<button onclick="prodsub();">productSub</button>
// returns: 20010725

Notes

On IE, this property returns undefined.

On Apple Safari and Google Chrome this property always returns 20030107.

Specification

This property is not part of any specification.

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/navigator/productsub