Practical, Real World React Examples of IntersectionObserver

The website collects real world examples of using IntersectionObserver API.

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

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

3. 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

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

Animation examples:
– Animate a Gauge chart
– Animate a pie chart
– Animate a progress bar
– Animate a vertical timeline
– Animate statistic numbers

Lazy load examples:
– Lazy load a Google map
– Lazy load a video
– Lazy load an iframe
– Lazy load an image
– Lazy load images in a gallery
– Lazy load the background image

And many more on the website!