Boosting Scroll Performance in Ionic 2

By - Josh Morony

Scrolling is one of the most common interactions with a mobile application, and it is extremely important that it feels right. Native applications have lists that scroll smoothly, they are responsive to touch and changes of directions, they accelerate and decelerate in a way that feels natural.

It’s important that we can capture this same feeling with web tech, but it can be pretty hard to do. When lists become long, the DOM (Document Object Model) becomes larger and larger and much more resource intensive to manipulate. The DOM is usually the bottleneck for a lot of performance issues. The frameworks that can handle this well feel just like a native application, and the ones that don’t stick out like a sore thumb.

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