Oct 31, 2025 · The Intersection Observer API 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 …

Jul 29, 2024 · Intersection Observer is an API that is used to detect the interaction of a target element with its's ancestor element or the document viewport. For example, if we want to …

Sep 24, 2019 · This demo demonstrates two things about the Intersection Observer: how to determine the position of the target element in relation to the root element and what happens …

Aug 25, 2019 · Intersection Observer allows you to call a function when a target element “intersects” another element. This target element can be anything, but is most commonly (and …

Feb 15, 2019 · Intersection Observer v2 adds the capability to not only observe intersections per se, but to also detect if the intersecting element was visible at the time of intersection.

Jan 10, 2022 · In this article I will cover all the basics of Intersection Observer as well as the more complex nuances so you can start using Intersection Observer to spice up your sites. If you …

React implementation of the Intersection Observer API to tell you when an element enters or leaves the viewport. Contains both a Hooks, render props and plain children implementation. …

Jul 29, 2025 · The IntersectionObserver interface of the Intersection Observer API provides a way to asynchronously observe changes in the intersection of a target element with an ancestor …

Examples use only IntersectionObserver API. No external JavaScript or CSS libraries used in examples. Each example is available as a React component. It is written in TypeScript and …

Oct 18, 2023 · The Intersection Observer API addresses the above issues by giving developers a new method to asynchronously query the position of an element with respect to other …