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IntersectionObserverEntry

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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.

The IntersectionObserverEntry interface of the the Intersection Observer API provides information about the intersection of a particular target with the observers root element at a particular time. Instances of this interface cannot be created, but a list of them is returned by IntersectionObserver.takeRecords().

Properties

IntersectionObserverEntry.boundingClientRect Read only
Returns a DOMRectReadOnly for the intersection observer's target.
IntersectionObserverEntry.intersectionRatio Read only
Returns the ratio of the intersectionRect to the boundingClientRect.
IntersectionObserverEntry.intersectionRect Read only
Returns a DOMRectReadOnly for the visible portion of the intersection observer's target.
IntersectionObserverEntry.rootBounds Read only
Returns a DOMRectReadOnly for the intersection observer's root.
IntersectionObserverEntry.time Read only
Returns a DOMHightResTimeStamp indicating when the intersection occurred.

Specifications

Specification Status Comment
Intersection Observer
The definition of 'IntersectionObserverEntry' in that specification.
Editor's Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support

51.0

? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 51.0 ? ? ? ? ? 51.0

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