This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
disconnect() stops watching all of its target elements for visibility changes.
The definition of 'IntersectionObserver.disconnect()' in that specification.
|Editor's Draft||Initial definition.|
|Feature||Chrome||Edge||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||51.0||No support||55 (55)||No support||?||?|
|Feature||Android||Android Webview||Firefox Mobile (Gecko)||Firefox OS||IE Mobile||Opera Mobile||Safari Mobile||Chrome for Android|
|Basic support||No support||51.0||55.0 (55)||No support||No support||?||?||51.0|
 This feature is available since the Windows Insider Preview Build 14986.
 This feature has been implemented since Gecko 53.0 (Firefox 53.0 / Thunderbird 53.0 / SeaMonkey 2.50) behind the preference
dom.IntersectionObserver.enabled, which was
false by default. Enabled by default beginning in Firefox 55. See bug 1243846.