PushSubscriptionOptions.applicationServerKey

The applicationServerKey read-only property of the PushSubscriptionOptions interface contains the public key used by the push server.

Syntax

let key = PushSubscriptionOptions.applicationServerKey;

Value

A public key your push server uses to send messages to client apps via a push server. This value is part of a signing key pair generated by your application server, and usable with elliptic curve digital signature (ECDSA), over the P-256 curve.

Examples

In the example below the value of applicationServerKey is printed to the console.

navigator.serviceWorker.ready.then(function(reg) {
  reg.pushManager.getSubscription().then(function(subscription) {
    let options = subscription.options;
    console.log(options.applicationServerKey); // the public key
  })
});

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
applicationServerKey
54
17
44
No
41
No
No
54
44
41
No
6.0

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https://developer.mozilla.org/en-US/docs/Web/API/PushSubscriptionOptions/applicationServerKey