How to debounce or throttle Intersection Observer?

问题

I am using the Intersection Observer API and I was wondering:

How can I debounce or throttle the Intersection Observer API?

If I want to increase the performance, do you recommend to use a debounce or throttle function?

来源：https://stackoverflow.com/questions/52584084/how-to-debounce-or-throttle-intersection-observer