This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The options read-only property of the PushSubscription interface is an object containing containing the options used to create the subscription.
var options = PushSubscription.options
An read-only options object containing the following values:
userVisibleOnly: A boolean, indicating that the returned push subscription will only be used for messages whose effect is made visible to the user.applicationServerKey: A public key your push server will use 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. | Specification | Status | Comment |
|---|---|---|
| Push API The definition of 'options' in that specification. | Working Draft | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 42 | 16 | 44
|
No | 29 | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | 42 | ? | 48 | 29 | No | 4.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/PushSubscription/options