Web features explorer - Intersection observer visibility tracking

Web features explorer

The trackVisibility parameter for the IntersectionObserver constructor enables tracking the visibility of an element, to detect if it may be obscured by other content or visual effects. Also known as IntersectionObserver v2.

Browser support (view on caniuse.com)

Chrome 74 Released on 2019-04-23
Chrome Android 74 Released on 2019-04-24
Edge 79 Released on 2020-01-15
Firefox Not supported Bugs: 1896900
Firefox for Android Not supported
Safari Not supported
Safari on iOS Not supported

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MDN documentation

Intersection Observer API

Specifications

Intersection Observer (#calculate-visibility-algo), from Web Applications Working Group (W3C).

Usage (according to Chrome Platform Status)

~9.923% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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