IntersectionObserverEntry: rootBounds property
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 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.
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
| Specification |
|---|
| Intersection Observer # dom-intersectionobserverentry-rootbounds |
Browser compatibility
BCD tables only load in the browser