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 compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support51151

53 — 552

55

No ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support5151 Yes ? No ? ?

1. Available since Windows Insider Preview Build 14986

2. 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.

See also

Document Tags and Contributors

 Contributors to this page: fscholz, Sheppy, robtpaton, UsainBloot, mattjburrows
 Last updated by: fscholz,