IntersectionObserver V2

- UNOFF

Iteration on the original API that also reports if the element is covered by another element or has filters applied to it. Useful for blocking clickjacking attempts or tracking ad exposure.

Chrome

  1. 4 - 73: Not supported
  2. 74 - 123: Supported
  3. 124: Supported
  4. 125 - 127: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 123: Supported
  3. 124: Supported

Safari

  1. 3.1 - 17.3: Not supported
  2. 17.4: Not supported
  3. 17.5 - TP: Not supported

Firefox

  1. 2 - 124: Not supported
  2. 125: Not supported
  3. 126 - 128: Not supported

Opera

  1. 9 - 60: Not supported
  2. 62 - 108: Supported
  3. 109: Supported

IE

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

Chrome for Android

  1. 124: Supported

Safari on iOS

  1. 3.2 - 17.3: Not supported
  2. 17.4: Not supported
  3. 17.5: Not supported

Samsung Internet

  1. 4 - 10.1: Not supported
  2. 11.1 - 23: Supported
  3. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

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

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 124: Supported

Firefox for Android

  1. 125: Not supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Safari support bug
Google Web Docs - Intersection Observer V2
Request for Mozilla Position on IntersectionObserver V2