This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The 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.


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

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support No ?

621 2

Yes — 61

No No No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No No ?

621 2

15 — 61

No No ?

1. See bug 1462308.

2. From version 62: this feature is behind the device.sensors.proximity.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.

See also

Document Tags and Contributors

Contributors to this page: connorshea, teoli, kscarfone, Sheppy, Jeremie
Last updated by: connorshea,