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Permissions

The Permissions interface of the Permissions API provides the core Permission API functionality, such as methods for querying and revoking permissions

Instance methods

Permissions.query(): Returns the user permission status for a given API.
Permissions.request() Experimental: Requests permission to use a given API. This is not currently supported in any browser.
Permissions.requestAll() Experimental Non-standard: Requests permission to use a given set of APIs. This is not currently supported in any browser.
Permissions.revoke() Deprecated: Revokes the permission currently set on a given API.

Example

navigator.permissions.query({ name: "geolocation" }).then((result) => {
  if (result.state === "granted") {
    showLocalNewsWithGeolocation();
  } else if (result.state === "prompt") {
    showButtonToEnableLocalNews();
  }
  // Don't do anything if the permission was denied.
});

Specifications

Specification
Permissions # permissions-interface

Browser Support

BCD tables only load in the browser

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