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PushSubscription

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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The PushSubscription interface of the Push API provides a subcription's URL endpoint and allows unsubscription from a push service.

An instance of this interface can be serialized.

Properties

PushSubscription.endpoint Read only
A USVString containing the endpoint associated with the push subscription.
PushSubscription.subscriptionId Read only
A DOMString containing the subscription ID associated with the push subscription.

Methods

PushSubscription.getKey()
Returns an ArrayBuffer which contains the client's public key, which can then be sent to a server and used in encrypting push message data.
PushSubscription.toJSON()
Standard serializer — returns a JSON representation of the subscription properties.
PushSubscription.unsubscribe()
Starts the asynchronous process of unsubscribing from the push service, returning a Promise that resolves to a Boolean when the current subscription is successfully unregistered.

Example

navigator.serviceWorker.ready.then(function(reg) {
  reg.pushManager.getSubscription().then(function(subscription) {
    subscription.unsubscribe().then(function(successful) {
      // You've successfully unsubscribed
    }).catch(function(e) {
      // Unsubscription failed
    })
  })        
});

Specifications

Specification Status Comment
Push API
The definition of 'PushSubscription' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 42.0 44.0 (44.0)[1] No support ? No support
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support No support 48.0 (48)[2] No support No support No support No support 42.0

See also

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