DeviceLightEvent.value

The value property provides the current level of the ambient light.

Syntax

var light = instanceOfDeviceLightEvent.value;

Value

A positive number representing a light intensity expressed in lux.

Specifications

Specification Status Comment
Ambient Light Sensor
The definition of 'Ambient Light Events' in that specification.
Working Draft Initial definition

Browser compatibility

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Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support No support (Yes) 22.0 (22.0)[1] No support No support No support
  
Feature Android Webview Chrome for Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support No support (Yes) 15.0 (15.0)[1] No support No support No support

[1] The devicelight event is implemented and preference enabled by default in Firefox Mobile for Android (15.0) and in Firefox OS (B2G). Starting with Gecko 22.0 (Firefox 22.0 / Thunderbird 22.0 / SeaMonkey 2.19) a desktop implementation for Mac OS X is also available. Support for Windows 7 is in progress (see bug 754199).

See also

Document Tags and Contributors

 Last updated by: jpmedley,