WakeLockSentinel

实验性: 这是一项实验性技术
在将其用于生产之前，请仔细检查浏览器兼容性表格。

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The WakeLockSentinel interface of Screen Wake Lock API provides a handle to a platform wake lock used to prevent screen from turning off, dimming, or displaying a screen saver.

属性

WakeLockSentinel.type (en-US) 只读

Wake lock type. Currently it is always "screen".

方法

WakeLockSentinel.release() (en-US)

Returns a Promise that resolves without a value after requesting the underlying wake lock is released.

事件处理程序

WakeLockSentinel.onrelease (en-US)

Event handler for release event type which occurs when WakeLockSentinel object's handle has been releases due to either a release() method being called or because User Agent releases the lock.

示例

The following example acquires a screen wake lock and then releases it in 10 minutes:

function tryKeepScreenAlive(minutes) {
  navigator.wakeLock.request("screen").then(lock => {
    setTimeout(() => lock.release(), minutes * 60 * 1000);
  });
}

tryKeepScreenAlive(10);

规范

Specification
Screen Wake Lock API
# the-wakelocksentinel-interface

浏览器兼容性

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相关链接