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PushSubscription: toJSON() method

The toJSON() method of the PushSubscription interface is a standard serializer: it returns a JSON representation of the subscription properties, providing a useful shortcut.

Syntax

js

toJSON()

Parameters

None.

Return value

A JSON object. It contains the subscription endpoint, expirationTime and public keys, as an endpoint member, an expirationTime member and a keys member.

Examples

js

navigator.serviceWorker.ready.then((reg) => {
  reg.pushManager.getSubscription().then((subscription) => {
    const mySubscription = subscription.toJSON();
    // do something with subscription details
  });
});

Specifications

Specification
Push API
# dom-pushsubscription-tojson

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
toJSON 42 17 44 No 29
16Supported on macOS 13 and later
 No 50 48 37 16.4 5.0

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https://developer.mozilla.org/en-US/docs/Web/API/PushSubscription/toJSON