1. Web
  2. Web APIs
  3. PushSubscription
  4. expirationTime

PushSubscription: expirationTime property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2023.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

The expirationTime read-only property of the PushSubscription interface returns a DOMHighResTimeStamp of the subscription expiration time associated with the push subscription, if there is one, or null otherwise.

Value

A DOMHighResTimeStamp or null.

Specifications

Specification
Push API
# dom-pushsubscription-expirationtime

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
expirationTime
Chrome – Full support
Chrome 60 (Release date: 2017-07-25)
footnote Full support
Edge – Full support
Edge 17 (Release date: 2018-04-30)
footnote Full support
Firefox – Full support
Firefox 96 (Release date: 2022-01-11)
footnote Full support
Opera – Full support
Opera 47 (Release date: 2017-08-09)
footnote Full support
Safari – Full support
Safari 16 (Release date: 2022-09-12)
footnote
footnote Notifications are supported on macOS Ventura and later.
Chrome Android – Full support
Chrome Android 60 (Release date: 2017-08-01)
footnote Full support
Firefox for Android – Full support
Firefox for Android 96 (Release date: 2022-01-11)
footnote Full support
Opera Android – Full support
Opera Android 44 (Release date: 2017-12-11)
footnote Full support
Safari on iOS – Full support
Safari on iOS 16.4 (Release date: 2023-03-27)
footnote
footnote Notifications are supported in web apps saved to the home screen.
Samsung Internet – Full support
Samsung Internet 8 (Release date: 2018-07-18)
footnote Full support
WebView Android – No support
WebView Android
footnote No support
WebView on iOS – No support
WebView on iOS
footnote
footnote Notifications are supported in web apps saved to the home screen.

Tip: you can click/tap on a cell for more information.

Full support
No support
See implementation notes.

This page was last modified on by MDN contributors.

Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation.
Portions of this content are ©1998–2026 by individual mozilla.org contributors. Content available under a Creative Commons license.