AmbientLightSensor: AmbientLightSensor() constructor
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.
Syntax
js
new AmbientLightSensor()
new AmbientLightSensor(options)
Parameters
options
Optional-
Currently only one option is supported:
frequency
-
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.
Exceptions
SecurityError
DOMException
-
Use of this feature was blocked by a Permissions Policy.
Specifications
Specification |
---|
Ambient Light Sensor # dom-ambientlightsensor-ambientlightsensor |
Browser compatibility
BCD tables only load in the browser
See also
reading
event