IntersectionObserverEntry.rootBounds
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The IntersectionObserverEntry interface's read-only rootBounds property is a DOMRectReadOnly corresponding to the target's root intersection rectangle, offset by the IntersectionObserver.rootMargin if one is specified.
Syntax
var rootBounds = IntersectionObserverEntry.rootBounds;
Value
A DOMRectReadOnly which describes the root intersection rectangle. For roots which are the Document's viewport, this rectangle is the bounds rectangle of the entire document. Otherwise, it's the bounds of the root element.
This rectangle is offset by the values in IntersectionObserver.rootMargin.
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
rootBounds |
51 |
15 |
55 |
No |
Yes |
12.1 |
51 |
51 |
55 |
? |
12.2 |
5.0 |
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserverEntry/rootBounds