Navigator: productSub property
The Navigator.productSub read-only property that returns either the string "20030107", or the string "20100101".
Value
Either "20030107", or "20100101".
Examples
js
document.body.textContent = `productSub: ${navigator.productSub}`;
Notes
On IE, this property returns undefined.
On Apple Safari and Google Chrome this property always returns 20030107.
On Firefox, this property always returns 20100101.
Specifications
| Specification |
|---|
| HTML # dom-navigator-productsub-dev |
Browser compatibility
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