Navigator.productSub

Deprecated

This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

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.

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'NavigatorID: productSub' in that specification.
Living Standard Initial definition

Browser compatibility

BCD tables only load in the browser