This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use 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 spec changes.
max property provides the maximum sensing distance the sensor is able to report, in centimeters.
var value = instanceOfDeviceProximityEvent.max;
A positive number indicating the maximum distance, in centimeters (cm), that the device's proximity sensor is able to detect and report.
The definition of 'Proximity Events' in that specification.
|Candidate Recommendation||Initial specification|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari|
|Basic support||Not supported||(Yes)||Not supported||Not supported||Not supported|
|Feature||Android||Chrome for Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
|Basic support||Not supported||Not supported||15.0 (15.0)||Not supported||Not supported||Not supported|