Limited availability
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)
Parameters
options
Optional
Currently only one option is supported:
frequency
Optional
The 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
DOMException
Use of this feature was blocked by a Permissions Policy.
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