This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
PowerManager object you can use to manage the power usage of the device.
var power = window.navigator.mozPower;
navigator.mozPower is a
PowerManager object you can use to manage power usage on the device.
Not part of any specification