The disconnect() method of the ResizeObserver interface unobserves all observed Element or SVGElement targets. 
 The disconnect() method of the ResizeObserver interface unobserves all observed Element or SVGElement targets. 
js
disconnect()
None.
None (undefined).
None.
js
btn.addEventListener("click", () => { resizeObserver.disconnect(); });
| Specification | 
|---|
| Resize Observer  # dom-resizeobserver-disconnect  | 
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
disconnect | 
64 | 79 | 69 | No | 51 | 13.1 | 64 | 64 | 79 | 47 | 13.4 | 9.0 | 
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    https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/disconnect