Intersection Observer API - Web APIs | MDN
Dec 1, 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 viewport.
Introduction to Intersection Observer - GeeksforGeeks
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 detect if some …
Mastering Intersection Observer in React: What It Is and How ...
Jun 16, 2025 · In this article, we’ll explore what the Intersection Observer API is, why it matters, and how to implement it effectively in React applications with practical use cases.
Trust is good, observation is best: Intersection Observer v2 ...
Feb 15, 2019 · Intersection Observer v2 can detect if an element was visible at the time of intersection.
JavaScript Intersection Observer Ultimate Guide
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 prefer to …
IntersectionObserver - Web APIs | MDN
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 element or …
How to Use The JavaScript Intersection Observer API
Sep 21, 2024 · In simple terms, the JavaScript intersection observer API is a tool that lets you know when an element on a webpage is visible on the screen. The API makes it easy to detect when …