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DeviceProximityEvent.max

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

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	No	?	62 Disabled 62 Disabled See bug 1462308. Disabled 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. ? — 61	No	No	No

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	No	No	?	62 Disabled 62 Disabled See bug 1462308. Disabled 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. 15 — 61	No	No	?