A small site that demos the power and performance benefits of the Intersection Observer API. Includes a rudimentary tutorial with Vanilla JS on how to use it for lazy-loading and CSS transitions.
What is the conradknapp/intersection-observer-API-primer GitHub project? Description: "A small site that demos the power and performance benefits of the Intersection Observer API. Includes a rudimentary tutorial with Vanilla JS on how to use it for lazy-loading and CSS transitions. ". Written in HTML. Explain what it does, its main use cases, key features, and who would benefit from using it.
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