PushSubscription: toJSON() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2023.
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.
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 | |||||||||||
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toJSON()
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Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- See implementation notes.