Scroll Performance
Everything on SkillVeris tagged Scroll Performance — collected across the glossary, study notes, blog, and cheat sheets.
3 resources across 1 library
Interview Questions(3)
What Is List Virtualization and Why Use It?
List virtualization (or windowing) is a rendering technique that keeps only the small subset of list items currently visible within the scroll viewport mounted…
What Is the Intersection Observer API and Why Use It?
The Intersection Observer API lets you asynchronously detect when a target element enters or exits the viewport (or another ancestor element), without the expe…
What Are Passive Event Listeners and Why Do They Matter?
A passive event listener is one registered with `{ passive: true }`, which tells the browser upfront that the handler will never call `preventDefault()`, so th…