Best way to check if an element is in viewport? - Intersection Observer API #html #css #javascript

Tutorial links: https://frontendguruji.com/blog/how-to-detect-if-element-is-in-viewport-intersection-observer-api/ https://codepen.io/mandeeppasbola/pen/podvBGZ https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API Use Cases: ✅ "Lazy-loading images" or other content as a page is scrolled. ✅ Implementing "infinite scrolling" web sites. ✅ "Deciding animation start/stop" on elements, based on its visibility to a user. ✅ "Auto-pause video" when it’s out of view ✅ "Detect how much content is viewed", trigger functionality when all content is viewed. This tutorial answers the below questions: - how to check if element is in viewport - check if element is partially in viewport - check if element is visible on screen javascript #frontend #frontenddeveloper #webdeveloper #webdevelopment #uidevelopment #uideveloper #javascript #html #css #browser #bowserapi #javascriptinterview #frontendguruji

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