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PermissionStatus: change event

Baseline 2023

Newly available

Since ⁨March 2023⁩, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

Note: This feature is available in Web Workers.

The change event of the PermissionStatus interface fires whenever the PermissionStatus.state property changes.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("change", (event) => { })

onchange = (event) => { }

Event type

A generic Event.

Example

navigator.permissions
  .query({ name: "geolocation" })
  .then((permissionStatus) => {
    console.log(`geolocation permission state is ${permissionStatus.state}`);
    permissionStatus.onchange = () => {
      console.log(
        `geolocation permission state has changed to ${permissionStatus.state}`,
      );
    };
  });

Specifications

Specification
Permissions> # dom-permissionstatus-onchange>

Browser compatibility

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`change_event`	43	79	46	30	16.4	43	46	30	16.4	4.0	No	16.4

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