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PushManager.permissionState

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The permissionState() method of the PushManager interface returns a Promise that resolves to a DOMString indicating the permission state of the push manager. Possible values are 'prompt', 'denied', or 'granted'.

Note: As of Firefox 44, the permissions for Notifications and Push have been merged. If permission is granted for notifications, push will also be enabled.

Syntax

PushManager.permissionState(options).then(function(PushMessagingState) { ... });

Parameters

options Optional

An object containing optional configuration parameters. It can have the following properties:

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.

Returns

A Promise that resolves to a DOMString with a value of 'prompt', 'denied', or 'granted'.

Specifications

Specification	Status	Comment
Push API The definition of 'permissionState()' in that specification.	Working Draft	Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	42	16 Disabled 16 Disabled Disabled From version 16: this feature is behind the `Enable service workers` preference. 17	44 44 Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)	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	Yes	48 48 Push enabled by default.	29	No	4.0

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https://developer.mozilla.org/en-US/docs/Web/API/PushManager/permissionState