AmbientLightSensor.AmbientLightSensor()

The AmbinentLightSensor() constructor creates a new AmbientLightSensor object, which returns the current light level or illuminance of the ambient light around the hosting device.

If a feature policy blocks use of a feature it is because your code is inconsistent with the policies set on your server. This is not something that would ever be shown to a user. See Feature-Policy for implementation instructions.

Syntax

var 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 sensor.onreading will be called. A whole number or decimal may be used, the latter for frequencies less than a second. The actual reading frequency depends device hardware and consequently may be less than requested.

Specifications

Specification Status Comment
Generic Sensor API Candidate Recommendation Defines sensors in general.
Ambient Light Sensor
The definition of 'AmbientLightSensor()' in that specification.
Candidate Recommendation

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
AmbientLightSensor() constructorChrome Full support 54
Full support 54
Full support 69
Notes
Notes Based on Generic Sensor API.
Edge Full support ≤79Firefox No support NoIE No support NoOpera Full support 56Safari No support NoWebView Android Full support 54
Full support 54
Full support 69
Notes
Notes Based on Generic Sensor API.
Chrome Android Full support 54
Full support 54
Full support 69
Notes
Notes Based on Generic Sensor API.
Firefox Android No support NoOpera Android Full support 48Safari iOS No support NoSamsung Internet Android Full support 6.0
Full support 6.0
Full support 10.0
Notes
Notes Based on Generic Sensor API.

Legend

Full support
Full support
No support
No support
See implementation notes.
See implementation notes.