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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 51 | 151 | 53 — 552 55 | No | ? | ? |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | 51 | 51 | 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.