MozPowerManager.getWakeLockState() method is used to retrieve the current lock state of a given resource.
- A string that represent the name of the resource to check.
This method will return a string that represents the current lock state for the resource. Possible values for this state are:
- Nobody holds the wake lock.
- At least one window holds the wake lock and is visible.
- At least one window holds the wake lock, but all of them are hidden.
var state = navigator.mozPower.getWakeLockState('screen') console.log('screen: ' + state);
Not part of any specification.