IntersectionObserver class

provides a way to asynchronously observe changes in the intersection of a target element with an ancestor element or with a top-level document's viewport.

MDN Reference

Available extensions
Annotations
  • @JS()
  • @staticInterop

Properties

disconnect ↔ void Function()

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

getter/setter pair
hashCode → int
The hash code for this object.
no setterinherited
observe ↔ void Function(Element)

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

getter/setter pair
root → Node?

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

MDN Reference
no setter
rootMargin → String

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

MDN Reference
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
takeRecords ↔ List<IntersectionObserverEntry> Function()

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

getter/setter pair
thresholds → ReadonlyArray<num>

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

MDN Reference
no setter
unobserve ↔ void Function(Element)

Available on IntersectionObserver, provided by the IntersectionObserver$Typings extension

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited