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.
IntersectionObserver.unobserve(target);
target
Element
to cease observing. If the specified element isn't being observed, this method does nothing and no exception is thrown.undefined
.
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"));
Specification | Status | Comment |
---|---|---|
Intersection Observer The definition of 'IntersectionObserver.unobserve()' in that specification. | Working Draft | Initial definition. |
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.
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver/unobserve