IntersectionObserver API Examples

Practical, real world React examples of IntersectionObserver API.

No dependencies

Examples use only IntersectionObserver API. No external JavaScript or CSS libraries used in examples.

React components

Each example is available as a React component. It is written in TypeScript and uses React hooks to manage internal states.

Easy to understand

Each example contains one or two source files that have less than 100 lines of code. It's easy to understand and follow.

Reusable patterns

A few patterns are used repeatedly such as making animations, lazy loading, etc. You can use them for your real use cases.

Live demo

You can see all examples in the official website