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15 de ene. de 2024 · The Intersection Observer API lets code register a callback function that is executed whenever a particular element enters or exits an intersection with another element (or the viewport), or when the intersection between two elements changes by a specified amount.
10 de ene. de 2022 · Intersection Observer is one of 3 observer based JavaScript APIs with the other two being Resize Observer and Mutation Observer. Intersection Observer in my opinion is the most useful because of how easy it makes things like infinite scrolling, lazing loading images, and scroll based animations.
25 de ago. de 2019 · Intersection Observer allows you to call a function when a target element “intersects” another element. This target element can be anything, but is most commonly (and by default) the viewport....
21 de jul. de 2017 · Intersection observer concepts and usage. The Intersection Observer API allows you to configure a callback that is called whenever one element, called the target, intersects either the device viewport or a specified element; for the purpose of this API, this is called the root element or root.
¿Qué es intersection observer? ¿Cómo usarlo? Métodos. Callback de la función de intersección. Opciones de configuración. Scroll listener vs Intersection observer. Posibles casos de uso. Ejemplo de lazy loading con intersection observer. Conclusión. Referencias.
