Can I use
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Proximity API

- CR

Defines events that provide information about the distance between a device and an object, as measured by a proximity sensor.

Chrome

  1. ❌ 4 - 137: Not supported
  2. ❌ 138: Not supported
  3. ❌ 139 - 141: Not supported

Edge

  1. ❌ 12 - 137: Not supported
  2. ❌ 138: Not supported

Safari

  1. ❌ 3.1 - 18.4: Not supported
  2. ❌ 18.5: Not supported
  3. ❌ 26.0 - TP: Not supported

Firefox

  1. ❌ 2 - 14: Not supported
  2. ✅ 15 - 139: Supported
  3. ✅ 140: Supported
  4. ✅ 141 - 143: Supported

Opera

  1. ❌ 9 - 116: Not supported
  2. ❌ 117: Not supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ❌ 138: Not supported

Safari on iOS

  1. ❌ 3.2 - 18.4: Not supported
  2. ❌ 18.5: Not supported
  3. ❌ 26.0: Not supported

Samsung Internet

  1. ❌ 4 - 27: Not supported
  2. ❌ 28: Not supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ❌ 80: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ❌ 138: Not supported

Firefox for Android

  1. ✅ 140: Supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ❌ 13.52: Not supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
Demo
SitePoint article