IntersectionObserver: unobserve() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2019.

The unobserve() method of the IntersectionObserver interface instructs the IntersectionObserver to stop observing the specified target element.

Syntax

unobserve(target)

Parameters

target

The Element to cease observing. If the specified element isn't being observed, this method does nothing and no exception is thrown.

Return value

None (undefined).

Examples

This snippet shows an observer being created, an element being observed, and then being unobserved.

js
const observer = new IntersectionObserver(callback);
observer.observe(document.getElementById("elementToObserve"));

// …

observer.unobserve(document.getElementById("elementToObserve"));

Specifications

Specification

Intersection Observer
# dom-intersectionobserver-unobserve

Browser compatibility

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Intersection Observer API
IntersectionObserver
Constructor
1. IntersectionObserver()
Instance properties
Instance methods
Related pages for Intersection Observer API
1. IntersectionObserverEntry
Guides
1. Timing element visibility with the Intersection Observer API