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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.

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

// …

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

Specifications

Specification
Intersection Observer> # dom-intersectionobserver-unobserve>

Browser compatibility

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`unobserve`	51	15 Available since Windows Insider Preview Build 14986.	55	38	12.1	51	55	41	12.2	5.0	51	12.2