MozPowerManager.powerOff()
This API is available on Firefox OS for internal applications only.
The MozPowerManager.powerOff() method is used to shut off the device.
Syntax
JavaScript
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MozPowerManager.powerOff();
Specifications
Not part of any specification.
See also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/powermanager/poweroff