Usually cellphones or some notebooks have hardware to detect light and auto-adjust brightness, so it can be used for this.
Yes, this is based on the sensors that are present on your device. The Sensors API exposes those device sensors on to the web platform.
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Usually cellphones or some notebooks have hardware to detect light and auto-adjust brightness, so it can be used for this.
Yes, this is based on the sensors that are present on your device. The Sensors API exposes those device sensors on to the web platform.