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 toJSON() method of the PushSubscription interface is a standard serializer: it returns a JSON representation of the subscription properties, providing a useful shortcut.
toJSON()None.
A JSON object. It contains the subscription endpoint, expirationTime and public keys, as an endpoint member, an expirationTime member and a keys member.
navigator.serviceWorker.ready.then((reg) => {
reg.pushManager.getSubscription().then((subscription) => {
const mySubscription = subscription.toJSON();
// do something with subscription details
});
});