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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The reading read-only property of the AmbientLightSensor interface returns an AmbientLightSensorReading interface containing the current light level.


var sensorReading = AmbientLightLevel.reading


An AmbientLightSensorReading interface.


// TBD


Specification Status Comment
Ambient Light Sensor Editor's Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 54.0 ? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 54.0 ? ? ? ? ? 54.0

Document Tags and Contributors

 Contributors to this page: jpmedley
 Last updated by: jpmedley,