How can you render a 5000 item list in Ionic, without affecting scroll performance? Technology Community › Category: Ionic › How can you render a 5000 item list in Ionic, without affecting scroll performance? 0 Vote Up Vote Down VietMX Staff asked 4 years ago Ionic provides a collection-repeat directive that renders only visible items in the DOM. So even if the list is huge, like 5000 in our example, only items visible in a viewport are rendered. Thus, scroll performance is not affected.