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/Web APIs

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

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

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
productSub
1Always returns 20030107.
12Always returns 20030107.
 1
15Always returns 20030107.
1Always returns 20030107.
18Always returns 20030107.
 4
14Always returns 20030107.
1Always returns 20030107.
1.0Always returns 20030107.
4.4Always returns 20030107.
1Always returns 20030107.

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https://developer.mozilla.org/en-US/docs/Web/API/Navigator/productSub