I see very less people talk about core JavaScript APIs. Well, I decided to go with those things only. Although several blogs are available, I wanted to put out everything I know about the intersection observer API in my own words. So here it is. What...

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Ritesh Ghosh
Backend Developer Intern @Stuneckt
There's a lot of cool stuff you can do with this api, it's a shame that this api is so underrated. Just as this api solves the performance issue of having a 'scroll' event listener, there is also a resize observer which solves the performance issue of 'resize' event.