JavaScript Best Practice — Intersection Observer API for lazy loading

Learn Intersection Observer API using examples

GP Lee
Web Developers Tomorrow

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Web Developers Tomorrow

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Learn in depth with examples

isInterSecting property: to detect whether observed element is visible in the frame or not

Example 1: Change Background color based on intersection rate

Example 2: Current Section’s Highlighting

Example 3: Image LazyLoading

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GP Lee
Web Developers Tomorrow

Full Stack Engineer (JS, C#, AWS) in NYC. Please follow me on @gpda (Github) or @gpleeda (LinkedIn)