Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The AmbientLightSensor() constructor creates a new AmbientLightSensor object, which returns the current light level or illuminance of the ambient light around the hosting device.
new AmbientLightSensor()
new AmbientLightSensor(options)options OptionalCurrently only one option is supported:
frequency OptionalThe desired number of times per second a sample should be taken, meaning the number of times per second that reading event will be called. A whole number or decimal may be used, the latter for frequencies less than a second. The actual reading frequency depends on the device hardware and consequently may be less than requested.
SecurityError DOMExceptionUse of this feature was blocked by a Permissions Policy.
reading event