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

PushSubscription: expirationTime property

Baseline 2023
Newly available

Since ⁨March 2023⁩, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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

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