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IntersectionObserver.unobserve

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

Syntax

IntersectionObserver.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

undefined.

Examples

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

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

/* ... */

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

Specifications

Specification Status Comment
Intersection Observer
The definition of 'IntersectionObserver.unobserve()' in that specification.		 Working Draft Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 51 15
15
Available since Windows Insider Preview Build 14986
55
55
53 — 55
Disabled
Disabled From version 53 until version 55 (exclusive): this feature is behind the dom.IntersectionObserver.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
 No ? ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support 51 51 Yes ? ? ? 5.0

See also

Edit this page on MDN

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https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver/unobserve