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WakeLockSentinel: type property

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The read-only type property of the WakeLockSentinel interface returns a string representation of the currently acquired WakeLockSentinel type.

Value

A string representation of the currently acquired wake lock type. The type 'screen'` is a screen wake lock. It prevents devices from dimming or locking the screen.

Examples

This example shows an asynchronous function that acquires a WakeLockSentinel, then logs the type to the console.

js

const requestWakeLock = async () => {
  wakeLock = await navigator.wakeLock.request("screen");
  console.log(wakeLock.type); // logs 'screen'
};

requestWakeLock();

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
type 84 84 No No 70 16.4 84 84 No 60 16.4 14.0

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