Can I use
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IntersectionObserver

- WD

API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport. The position is delivered asynchronously and is useful for understanding the visibility of elements and implementing pre-loading and deferred loading of DOM content.

IE

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

Edge

  1. 12 - 14: Not supported
  2. 15: Partial support
  3. 16 - 18: Supported
  4. 79 - 91: Supported
  5. 92: Supported

Firefox

  1. 2 - 51: Not supported
  2. 52 - 54: Disabled by default
  3. 55 - 89: Supported
  4. 90: Supported
  5. 91 - 92: Supported

Chrome

  1. 4 - 50: Not supported
  2. 51 - 57: Partial support
  3. 58 - 64: Supported
  4. 65 - 91: Supported
  5. 92: Supported
  6. 93 - 95: Supported

Safari

  1. 3.1 - 12: Not supported
  2. 12.1 - 14: Supported
  3. 14.1: Supported
  4. 15 - TP: Supported

Opera

  1. 9 - 37: Not supported
  2. 38 - 44: Partial support
  3. 45 - 63: Supported
  4. 64 - 76: Supported
  5. 77: Supported

Safari on iOS

  1. 3.2 - 12.1: Not supported
  2. 12.2 - 14.4: Supported
  3. 14.5: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 92: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 92: Supported

Firefox for Android

  1. 90: Supported

UC Browser for Android

  1. 12.12: Partial support

Samsung Internet

  1. 4: Not supported
  2. 5 - 6.4: Partial support
  3. 7.2 - 13.0: Supported
  4. 14.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Not supported
Resources:
MDN Web Docs - Intersection Observer
Google Developers article
Polyfill
Sub-features:
IntersectionObserver V2