11. Intersection Observer API

[xgqfrms]

Intersection Observer

Intersection Observer API

https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API

Intersection Observer

实现图片延迟加载

https://c7sky.com/lazy-loading-images-using-intersection-observer.html

Intersection Observer

懒加载、吸顶、触底

https://juejin.im/post/5d665133e51d4561c83e7c83

---

[xgqfrms]

交叉观察者