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 rootBounds read-only property of the IntersectionObserverEntry interface 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 |
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| Intersection Observer # dom-intersectionobserverentry-rootbounds |
Browser compatibility
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rootBounds
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- Full support
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